Orlando José dos Reis Frazão
INESC Porto – Instituto de Engenharia de Sistemas e Computadores do Porto
Rua do Campo Alegre, 687, 4169-007 Porto, Portugal
+351 914 509 897
[email protected]
RESEARCH INTERESTS
Optical fibre sensors, photonics crystal fibre, Random fiber laser sensors, interferometry and
Bragg grating technology.
EDUCATION
2009 – PhD Physics, Faculdade de Ciências da Universidade do Porto, Portugal
1999 – Physical Engineering (5 years), Universidade de Aveiro, Portugal
CURRENT PROFESSIONAL STATUS
2010 – 2013 – Senior Researcher in optical fibre sensors, INESC Porto at Optoelectronics and
Electronic Systems Unit.
PAST POSITION
2006 – 2009 – PhD Student Physics at Faculdade de Ciências da Universidade do Porto (FCUP).
2003 – 2009 – Senior Engineer at INESC Porto.
2001 – 2003 – Technical Engineer at INESC Porto.
1999 – 2000 – Scholarship Grant at INESC Porto.
1997 – 1998 – Scholarship Grant at the Instituto de Telecomunicações – Aveiro.
POS-GRADUATE SUPERVISION
Postdoctoral
Postdoctoral Grant at INESC Porto: Clara Maria Mesquita Frias (2011)
Title of the working programme: Monitoring systems for composite overwrapped pressure vessels
(COPV) Using Embedded Optical Sensors networks
PhD Student
PhD Student at FCUP: Ricardo Melo André (on going)
Thesis topic: Post-processing of optical fibre for microsensors
PhD Student at FCUP: Marta Sofia dos Anjos Ferreira (on going)
Thesis topic: Micro-fibre lasers for sensing applications
PhD Student at FCUP/Alcalá University: Hugo Fidalgo Martins (on going)
Thesis topic: Ultra-Long Raman fiber lasers using distributed mirror for sensing
PhD Student at FEUP: Ana Sofia Matos Silva (on going)
Thesis topic: Wearable sensor system for human Motion analysis
MSc. Student
MSc. Student at FCUP: João Pedro Pinto Moura (2013/2014)
Thesis topic: The propagation properties of microstructured fibers with nanofluidics
MSc. Student at FCUP: Ricardo Melo André (2012)
Thesis topic: Microwire Sensors based on Optical Fiber Tapers
MSc. Student at FCUP: Hugo Fidalgo Martins (2011)
Thesis topic: Cooperative Rayleigh-Raman scattering for fiber sensing applications
SHORT STAY POS-GRADUATE SUPERVISION
PhD Student: Luis Rodriguez Cobo at Universidad de Cantabria Santander (Spain)
Date: 06/01/2013-31/03/2013 (3 Months)
Postdoc: Rosa Ana Perez at Universidad Pública de Navarra (Spain)
Date: 01/09/2011-31/10/2011 (2 months)
PhD Student: Ander Zornoza Indart at Universidad Pública de Navarra (Spain).
Date: 1/07/2011-31/10/2011 (4 months)
PhD Student: Mikel Bravo at Universidad Pública de Navarra (Spain).
Date: 1/05/2011-31/07/2011 (3 Months)
PhD Student: Mohammad Ismail Zibaii at Shahid Beheshti University (Iran).
Date: 1/03/2011-31/08/2011 (6 Months)
PhD Student: Marcin Szczurowski at Wroclaw University of Technology (Poland).
Date: 1/07/2010-30/9/2010 (3 Months)
Post-doc: Gabriela Statkiewicz-Barabach at Wroclaw University of Technology (Poland).
Date: 01/09/2009-31/10/2009 (1 Month)
PhD Student: Ana M. R. Pinto at Universidad Pública de Navarra (Spain).
Date: 1/07/2009 -30/11/2009 (4 Months)
POS-GRADUATION EXTERNAL EXAMINER
MSc Student at Universidade de Aveiro: Marco André da Silva Granada
Thesis: Transmissão de energia por sinais óticos.
Date: 17 July 2012.
MSc Student at Universidade de Aveiro: Licínio Duarte Ferreira
Thesis: Monitorização do processo de cura do betão através de sensores óticos
Date: 17 July 2012.
PhD Student: Ana M. R. Pinto
Thesis: Photonic Crystal Fibers for Sensing Apllications.
University: Universidad Pública de Navarra, Campus de Arrosadía, Pamplona, Spain.
Date: 13 June 2012.
PhD Student: Rosa Ana Pérez Herrera
Thesis: Design and characterization of wavelength division multiplexed sensors systems using
optical amplification.
University: Universidad Pública de Navarra, Campus de Arrosadía, Pamplona, Spain.
Date: 21 July 2010.
MSc Student at FCUP: Mara Alexandra Oliveira Silva
Thesis: Optical fibre sensor for CO2 measurement.
Date: 20 December 2010.
PROJECTS
European Project
ECOAL-MGT, Ecological Management of Coal Waste Piles (on going). Project Funding 875 K€.
NEXTGENPCF – Next Generation Photonic Crystal Fibres. 34918-IST. (Closed 2010). Project
Funding: 6.65 million €.
UPGRADE – High Bitrate 1300nm Upgrade of the European Standard Single Mode Network. ACTS –
Advanced Communication Technologies and Services, Nº AC045. (Closed 1999).
National Project FCT – Optical Sensing
PLASMONIC - Plasmonics Based Fiber Optic Sensing with Enhanced Performance.
PTDC/FIS/119027/2010. €80.000. (On-going).
WOOD - Numerical and experimental study of cohesive laws in bonded wood joints. PTDC/EMEPME/114443/2009. €100.000. (On-going).
SENSEFIL - Monitoring of Filament Wound Vessels Using Optical Sensors Embedded in the Composite
Reinforcement. PTDC/EME-PME/102806/2008. Funding: €125.000.
SMARTCOAT - Utilization of host materials properties to enhance particular sensing capabilities of
embedded fibre Bragg grating sensors. PTDC/EME-PME/108308/2008. Funding: €73.000.
MICROPHYTE: Metabolic engineering of chlamydomonas and environmental optimization for
hydrogen production and release. PTDC/EBB-EBI/102728/2008. Funding: €140.000.
SMARTBIO – Hip femoral prosthesis for in vivo loosening data acquisition. PTDC/EMEPME/70824/2006. Funding: €100.000.
WELDING – Fiber Bragg grating sensors for modelling of Friction Stir Welding (FSW) and Laser
Beam Welding (LBW). PTDC/EME-TME/66362/2006. Funding: €120.000.
AMDRAPHID – Advanced Monitoring and Diagnostics of Ria de Aveiro Physical Dynamics.
PPCDT/AMB/57928/2004. Funding: €27.000.
OPTIC-ALGAE – Hybrid photobioreactors, containing microstructured optical fibres aimed at
operating with microalgae. PTDC/BIO/71710/2006. Funding: €129.000.
EVANESCENTE – Evanescent Field Configurations for Fibre Optic Sensing. POCI/FIS/58877/2004.
Funding: €85.000.
CUTINSHEAR – Performance assessment of an innovative structural FRP strengthening technique
using an integrated system based on optical fibre sensors. POCI/ECM/59033/2004. Funding:
€90.000.
IPF – Influence of the parameters of fabrication on the optical sensors performance.
POCI/EME/62147/2004. Funding: €55.000.
ACOUSTIC – Detection of Acoustic Emission in Composite Materials using Embedded Optic Fiber
Sensors. POCTI/EME/48574/2002. Funding: €51.600.
DLOAD – Health Monitoring of Composite Structures under Dynamic Loads. POSI/CPS/42032/2001.
Funding: €65.000.
CIVIL – Monitoring of Structures using Fibre Optic Bragg Grating Sensors.
POCTI/ECM/36047/1999. Funding: €49.800.
PRÓTEU – Advanced Technologies for Monitoring Estuaries and Coastal Environments. Programa:
Dinamizador das Ciências e Tecnologias do Mar. PDCTM/P/ MAR/15275/1999. Funding: €424.000.
SMART/RTM – Monitoring and Control of RTM Process through Optical Fibers. Praxis/P/EME/
12304/1998. Funding: €65.000.
National Project FCT – Optical Communications
MOTION – Monitoring and compensation of impairments in optical networks. PTDC/EEATEL/73529/2006. Funding: €104.000.
FIBRE-RADIO – Design and Optimization of WDM Millimetre-Wave Fibre-Radio Systems. PTDC/EEATEL/68973/2006. Funding: €98.000.
HOLEY- Photonic Crystal Fibers: Holey Fibers. POCTI/FAT/43077/2001. Funding: €30.000.
WONET – Wavelength Division Multiplexing and OCDMA for Broadcast and Select Networks.
POSI/CPS/40009/2001. Funding: €52.000.
WIDCOM – Wide Band Optical Fibre Amplifier for Dense Wavelength Division Multiplexed Networks.
POSI/CPS/35574/1999. Funding: €93.000.
Others projects
Projectos da Agência de Inovação (Portuguese Innovation Agency)
SMARTE – Sistema de Gestão de Obras de Arte em Auto-estrada com Recurso a Monitorização
Remota Baseada em Sensores Electrónicos e em Fibra Óptica. Partners: BRISA S.A., FEUP e INESC
Porto. Conclusion date, 2004. Funding: €450.000.
BRAGG – Advanced Cabling of Optical Fiber with Bragg Microstructures. Programa: PRAXIS/Agência
Inovação medida 3.1b – 1314. Partners: CABELTE and INESC Porto. Conclusion date, 1999.
Funding: €200.000.
Projectos do Ministério da Defesa Nacional e Fundação da universidades Portuguesas (Militar)
SAL – Sensor de Fibra Óptica para Medição Simultânea de Salinidade e Temperatura da Água.
Programa de I&D 1998/1999 – “Oceano e as suas Margens – Electrónica e do Ambiente”. Ref.: Nº
494/Defesa/2003.
BARCO – Placas Compósitas Instrumentadas para Monitorização de Deformação em Embarcações.
Programa de I&D 1998/1999 – “Oceano e as suas Margens – Electrónica e do Ambiente”. Ref.: Nº
477/Defesa/2003.
Projectos da Fundação Calouste Gulbenkian (Prize)
NANOWIRE - Nanowires em fibra óptica, Apoiado pela Fundação Calouste Gulbenkian no Programa
de Estímulo à Investigação 2010. Funding: €10.000.
BILATERAL COOPERATION
2013/14 –NEw geometries of Microstructured fiber for Optical sensing (FCT/DAAD). Partner: IPHT.
2011/12 - Advanced optical fiber with special fiber and new waveguide, (FCT/CAPES). Partner:
UNICAMP.
2011/12 – Optical sensors based on novel microstructured fibers, Scientific Cooperation Agreement
between Portugal and Poland. Partner: Wrocław University of Technology.
2011/13 – Refractometric sensors based on active optical fiber configurations for the detection of
chemical and biological parameters, Portugal-Índia Agreement 2010-12. Partner: Central Glass &
Ceramic Research Institute.
2010/11 – Estudo e Desenvolvimento de Sensores Ópticos para a Monitorização Remota de
Parâmetros Ambientais, FCT/CAPES, Brazil. Parceiros: IME, CEFET-RJ, UFES, UFF e UFPA.
2009/10 – New interrogation systems for optical microcavities, (FCT)/(CNR, Itália). Partner: Istituto
di Fisica Applicata “Nello Carrara”.
2009 – Sensores ópticos em fibra microestruturada/Capteurs à fibres optiques microstructurées,
FCT/CNRS 2009; Partners: Xlim – Institut de Recherche, Limoges and Université de Nice Sophie
Antipolis.
2007/09 – INESC PORTO-PPGEE/UFPA Cooperation in Optoelectronics, GRICES/CAPES, Brazil.
Parceiro: Universidade Federal do Pará.
FOREIGN TRAININGS
2013 – (04/03 – 16/03): Central Glass & Ceramic Research Institute, Kolkata, India.
2007 – (07/10 – 20/10): (STSM16), Xlim – Institut de Recherche, Limoges, France.
2007 – (25/01 – 02/02): Universidade Federal do Pará (UFPA), Belem, Brasil.
REFEREE FOR THE FOLLOWING INTERNATIONAL JOURNALS
(OSA): Appl. Optics; Opt. Express; Opt. Lett.; JOSA B; Chinese Opt. Lett; (IEEE): IEEE Photon. Techno.
Lett.; IEEE Lightw. Techno.; IEEE Sensors J.; IEEE Photon. J.; IEEE Trans. Instrum. Meas.; IEEE Trans
Power Deliv; (SPIE): SPIE Opt. Eng.; SPIE J. Nanophotonics; (IOP): Meas. Sci. Technol.; J. Opt. A Pure
Appl. Opt. (closed 2009); J. Opt.; Lasers Phys.; Smart Materials Structures; (ELSEVIER): Opt. Comm.;
Opt. & Laser Techno.; Opt. Fiber Techno.; Opt. and Lasers in Eng.; Sensor Actuat. A-Phy., Sensor Actuat.
B-Che., Cryogenics, Materials & Design; Materials Che and Phy.; Acta Astronautica;
(SPRINGER) Photonic Sensors; (AIP) Rev. Sci. Instrum.; (MDPI) Sensors J.; (IET) Micro & Nano Lett.;
(ASP) Sensor Lett.; Sensors & Transducers journal; (MIT) – Progress in Electromagnetic Research
(PIER) & JEMWA; (SBMO) Journal of Microwaves and Optoelectronics (Closed 2007) and Journal of
Microwaves, Optoelectronics and Electromagnetics Applications; (CIT) – Información Tecnológica;
Optica Applicata; (SPF) Gazeta da Física.
CONFERENCE AND EDITORIAL ACTIVITIES
2014 – Program Committee, PHOTOPTICS 2014, Lisbon, Portugal.
2013 – Scientific Committees, Conference on Electronics, Telecommunications and Computers
(CETC 2013), Lisbon Portugal.
2013 – Vice-Chair of RIAO-OPTILAS 2013, Porto, Portugal.
2013. Member of Organized Committee and program committee, 12th International
Conference on Education and Training in Optics & Photonics, Porto, Portugal.
2013 – Associate Editor, Photonic Sensors, Springer.
2012 – Editorial Board, Journal of Materials, Hindawi.
2012 – Guest Editor, Photonic Sensors, Springer.
2012 – Chair, Summer School on Recent Advances in Optics and Photonics, Porto, Portugal.
2012 – General Chair, Symposium on Enabling Optical Networks and Sensors (SEONs), Porto,
Portugal.
2011 - Editorial Board, International Scholarly Research Network, Journal of ISRN Optics.
2011 – Technical Chair, International Conference on Applications of Optics and Photonics
(AOP’2011), Braga, Portugal.
2011 – Guest Editor in Special Issue of MDPI Sensors Journal, "State-of-the-Art Sensors Technology
in Portugal”.
2010 – Editor, “Advances in Sensors, Signals and Materials 2010”.
2010 – Chairman of optical sensors section, 3rd WSEAS International Conference on Sensors and
Signals (SENSIG '10), Faro, Portugal.
2010 – Member of Organized Committee, IV European Workshop on Optical Fibre Sensors
(EWOFS), Porto, Portugal.
2003/11 – Member of Organized and Scientific Committees, Symposium on Enabling Optical
Networks and Sensors (SEONs), Portugal.
OTHERS PROFESSIONAL ACTIVITIES
Scientific Program Reviewer:
2012 - Invited reviewer by the Czech Science Foundation for public funding agency in the Czech
Republic supporting all areas of basic scientific research 2012.
2010 - Reviewer of the Initiation Program for Research at University of Porto 2010
(Programa de Iniciação à Investigação da Universidade do Porto de 2010).
2009 - Invited reviewer by the Foundation for Polish Science for the MASTER Program 2009.
COST Actions:
COST TD1001 (On-going): Novel and Reliable Optical Fibre Sensor Systems for Future Security
and Safety Applications (OFSESA). (MC Substitute Member).
COST 299 (End date: January 2010): Optical Fibres for New Challenges Facing the Information
Society. (Expert).
AWARDS
Fernando Bragança Gil Award 2012 (Portuguese Physical Society) for best Physics PhD thesis in
Portugal 2009 and 2010.
Estímulo à Investigação 2010 (Calouste Gulbenkian Foundation), with a donation cash of €10.000
for the supervisor project.
The EWOFS'07 Best Student Paper Award at 3rd European Workshop on Optical Fibre Sensors,
Napoli, Italy, July 2007.
Institute of Physics Publishing Prize, 24 July 1998. Citation in Physics Word, vol. 11, no 11, pp. 56,
Nov. 1998.
PUBLICATIONS
Author and co-author of 328 scientific papers are divided in international journals (157 papers
international journal and 11 national journal, including 10 review papers and 50 first author) and
international conferences (160 papers, including 10 invited talks, 30 oral presentations, 60 SPIE
proceedings and 23 IEEE Proceedings). The author has more 1350 citations in ISI Web of
Knowledge, 12 patents and 6 book chapters.
HIGHLIGHT NOTES
 Front cover in Lasers & Photonics Reviews, December 2008.
 Two works published in Optics Letters and IEEE Photonic Technology Letters was cited in
Photonics Spectra Magazine volume 40 and 41 in December 2006 and January 2007.
 The review article “Applications of fibre optic grating technology to multi-parameter
measurement” was the most cited journal's Fiber Optics & Integrated between 2002-2005 in
accordance with 2006 edition Journal Citation Reports2007 Thomson Scientific.
MEMBER
EOS – European Optical Society. Member.
OSA – Optical Society of America. Nº 910351. Regular Member.
SPIE – The International Society for Optical Engineering. Nº 612138. Senior Member.
SPOF - Portuguese Society for the Development of Optics and Photonics. Board Director.
ICO - Portuguese Territorial Committee for Optics. Treasurer.
PERSONAL INFORMATION
Full Name: Orlando José dos Reis Frazão
Nationality: Portuguese
Adress: Praceta da Rua República Nº 9, 2F, 3810-495 Aveiro
PUBLICATIONS
THESES
Orlando Frazão, “Sensores em fibra óptica baseados em interferometria e efeitos não lineares”, Tese de Doutoramento em Física
pela Faculdade de Ciências da Universidade do Porto, 2009.
Orlando Frazão, “Lasers Semicondutores Autopulsantes e Extracção Óptica de Relógio”, Relatório do Projecto Final de 5º Ano do
Curso de Engenharia Física, Departamento de Física da Universidade de Aveiro, 1999.
CONFERENCE BOOK PROCEEDING
Orlando Frazão (Editor), “Advances in Sensors, Signals and Materials”, WEAS Press, 2010.
BOOK CHAPTERS
Orlando Frazão, “Optical Fiber Sensing: A Historic Overview”, Chapter in Handbook of Optical Fiber Sensors, Taylor & Francis,
2013.
Ricardo M. André, Manuel B. Marques, Orlando Frazão, “New advances in tapered fiber sensors”, in Optical Fibers: New
Development, Nova Science Publishers, 2013.
J. Ribeiro, R. Moura, D. Flores, D. B. Lopes, Carlos Gouveia, Serge Mendonça, Orlando Frazão, “Douro Coalfield, Portugal WastePile Fires”, Chapter 16 in Coal and Peat Fires: A Global Perspective, Elsevier, 2012.
Marta S. Ferreira, Ricardo M. Silva, Orlando Frazão, “High-birefringent Fiber loop mirror sensors: New development”, Chapter 14
Optical Fibers Sensors, InTech, 2012.
Orlando Frazão, José M. Baptista, Jens Kobelke, Kay Schuster, Fabrication and interferometry applications of suspended core fibre,
Chapter 11 in Photonic Crystal: Optical Properties, Fabrication and Applications, Nova Science Publishers, 2011.
Rui Oliveira, Orlando Frazão, “Optic fibre system for damage monitoring in composite materials”, Chapter 9, In Composite
Laminates: Properties, Performance and Applications, Nova Science Publishers, 2009.
Ireneu Dias, Rui Oliveira, Orlando Frazão, “Intelligent optical sensors using artificial neural network approach”, Chapter 31 in
Innovation in Manufacturing Networks, Springer, 2008.
PATENTS
12. H. Martins, M. B. Marques, O. Frazão, Laser ultra longo baseado espelhos distribuído combinado com espelho em anel, Pedido
Provisório de Patente submetida no Instituto Nacional da Propriedade Industrial, Junho 2011.
11. R. Silva, O. Frazão, Multiplexagem de sensores interferométricos numa topologia em árvore, Pedido Provisório de Patente
submetida no Instituto Nacional da Propriedade Industrial, nº 20111000042167, 30 Maio 2011.
10. M. S. Ferreira, O. Frazão, Cavidade de Fabry-Pérot em fibra óptica sem diafragma, Pedido Provisório de Patente submetida no
Instituto Nacional da Propriedade Industrial, PT105708, 16 Maio 2011.
9. O. Frazão, “Sensor em fibra óptica baseado num espelho em anel como ponta de prova”, Pedido Provisório de Patente
submetida no Instituto Nacional da Propriedade Industrial, PT105300, 13 Agosto de 2010.
8. O. Frazão, Luís Coelho, Joel Carvalho, Diana Viegas, “Sistema de interrogação remoto com fonte óptica acoplada à cabeça
sensora”, Pedido Provisório de Patente submetida no Instituto Nacional da Propriedade Industrial, PT105244, 9 Agosto de 2010.
7. O. Frazão, “Interferómetro híbrido em fibra óptica”, Pedido Provisório de Patente submetida no Instituto Nacional da
Propriedade Industrial, PT104711, 7 Agosto de 2009.
6. O. Frazão, J. Viegas, “Interferómetro em fibra óptica”, Instituto Nacional da Propriedade Industrial, PT103879, 8 de Novembro
de 2007.
5. J. M. García, O. Frazão, L. A. Ferreira, F. M. Araújo, J. L. Santos, C. V. Garcia, J. M. Baptista, “Processo de desmodulação de
sensores de fibra optica de intensidade”. Instituto Nacional da Propriedade Industrial, PT103868, 29 de Outubro de 2007.
4. O. Frazão, R. Romero, J. L. Santos, “Dispositivo em fibra óptica baseado numa rede de Bragg configurada numa geometria em
anel”, Instituto Nacional da Propriedade Industrial, PT103094, 18 de Março de 2004.
3. O. Frazão, J. P. Carvalho, I. Terroso, H. M. Salgado, “Router Óptico para Sistemas DWDM com Selectividade e Conversão de
Comprimento de Onda”, Instituto Nacional da Propriedade Industrial, PT102982, 27 Junho de 2003.
2. O. Frazão, J. P. Carvalho, I. Terroso, H. M. Salgado, “Conversor de Comprimento de Onda baseado num Laser em Fibra Óptica
Dopada com Terras Raras”, Instituto Nacional da Propriedade Industrial, PT102983, 27 Junho de 2003.
1. J. M. Baptista, O. Frazão, J. L. Santos, A. Laje, “Célula de Carga Baseada em Fibra Óptica Embebidas em Compósitos”, Instituto
Nacional da Propriedade Industrial com o PT102746, 26 Março de 2002.
INTERNATIONAL JOURNALS (SUBMITTED)
M S Ferreira, J L Santos, P Mergo, M. Becker, O Frazão, Vibration sensor based on distributed Bragg reflector (DBR) fibre laser,
Laser Physics letters, 2013.
J. P. Moura, S. O. Silva, M. Becker, M. Rothhardt, H. Bartelt, J. L. Santos, O. Frazão, Optical Inclinometer Based on a PhaseShifted Bragg Grating in a Taper Configuration, IEEE Photon. Tech. Lett., 2013.
D. J. Passos, M. J. Marques, O. Frazão, High-Birefringence fiber loop mirror sensor using a WDM fused fiber coupler, Optics
letters, 2013.
L. Rodriguez-Cobo, A.T. Marques, J.M. Lopez-Higuera, J. L. Santos, O. Frazão, New design for temperature-strain discrimination
using Fiber Bragg Gratings embedded in laminated composites, Smart Materials ans Structures, 2013.
H. F. Martins, S. Martin-Lopez, P. Corredera, M. L. Filograno, O. Frazão, M. González-Herráez, High visibility phase-sensitive
optical time domain reflectometer for distributed sensing of ultrasonic waves, Optics Express, 2013.
S. O. Silva, L. Coelho, O. Frazão, An all-fiber Fabry-Pérot interferometer for pressure sensing in different gaseous environments,
Measurement, 2013.
P. Roriz, A. Ramos, J. Ferreira, O. Frazão, J. L. Santos, J. Simões, “Use of strain gauges to assess spine strain under compression”
Measurement, 2013.
H. Martins, M. B. Marques, O. Frazão, Intensity vibration sensor based on Raman fiber laser using a distributed mirror combined
with Bragg grating structures, Laser Physics letters, 2013.
R. A. Perez-Herrera, R. M. André, S. F. Silva, M. Becker, K. Schuster, J. Kobelke, M. Lopez-Amo, J. L. Santos and O. Frazão
Simultaneous Measurement of Strain and Temperature Based on Clover Microstructured Fiber Loop Mirror, Review Scientific
Instruments. 2013.
M. Bravo, J. M. Baptista, J. L.Santos, M. Lopez-Amo, O. Frazão, Fabry-Perot Sensor combined with a Fiber Ring Interrogated by
an OTDR, IEEE Sensors Journal, 2013.
INTERNATIONAL JOURNALS
178. M. Ferreira; P. Roriz; S. Silva; José L. Santos, O. Frazão, Next generation of Fabry-Perot sensors for high-temperature,
Optical Fiber technology, 2013. REVIEW paper.
177. M. S. Ferreira, J. Bierlich, K. Schuster, J. L. Santos, O. Frazão, Post-Processing of Fabry-Pérot Microcavity Tip Sensor, IEEE
Photon. Tech. Lett., 2013.
176. R. M. André, M. Becker, K. Schuster, M. Rothhardt, H. Bartelt, M. B. Marques, O. Frazão, High Birefringence Triangular
Optical Nanowire in Suspended-Core Fiber for Temperature Sensing, Nanophotonic, 2013.
175. P. Roriz, O. Frazão, A. B. Lobo-Ribeiro, J. L. Santos and J. A. Simões, A Review of Fiber Optic Pressure Sensors for
Biomedical and Biomechanical Applications, Journal of Biomedical Optics, 2013. REVIEW paper.
174. R. M. André, S. O. Silva, M. Becker, K. Schuster, M. Rothhardt, H. Bartelt, M. B. Marques, O. Frazão, Strain sensitivity
enhancement in suspended core fiber tapers, Photonics Sensors, 3 ( 2), 118–123, June 2013.
173. R. M. Silva, A. Layeghi, M. I. Zibaii, H. Latifi, J. L. Santos, A. B. Lobo Ribeiro, O. Frazão, Interrogation sensing scheme
based on “Figure-of-Eight” fiber loop mirror configuration, IEEE Photon. Tech. Lett., 25 (8), 745-748, April 2013.
172. M. S. Ferreira, J. L. Santos, P. Mergo, O. Frazão, Torsion sensor based on figure-of-eight cavity fiber laser, Laser Physics
letters, 10 (4), 045105, April 2013.
171. H. F. Martins, S. Martin-Lopez, P. Corredera, P. Salgado, O. Frazão, M. González-Herráez, Modulation instability-induced
fading in phase-sensitive optical time-domain reflectometry, Optics Letters, 38 (6), 872-874, March 2013.
170. R. M. Silva, J. M. Baptista, J. L. Santos, F. M. Araújo, L. A. Ferreira, O. Frazão, A simple, self-referenced, intensity-based
optical fibre sensor for temperature measurements, Optics Communications, 291, 215–218, March 2013.
169. R. M. Silva, A. B. Ribeiro Lobo, O. Frazão, Temperature-Independent Torsion Sensor Based on “Figure-of-Eight” Fiber Loop
Mirror, Photonic Sensors, 3 (1), 52–56, March 2013.
168. S. E. U. Lima, R. G. Farias, F. M. Araújo, L. A. Ferreira, J. L. Santos, V. Miranda, O. Frazão, Fibre laser sensor based on a
phase-shifted chirped grating for acoustic sensing of partial discharges, Photonic Sensors, 3 (1), 44–51, March 2013.
167. S. Silva, L. Coelho, J. M. Almeida, O. Frazão, J. L. Santos, F. X. Malcata, M. Becker, M. Rothhardt, and H. Bartelt, H2
sensing based on a Pd-coated tapered-FBG fabricated by DUV femtosecond laser technique, IEEE Photon. Tech. Lett., 25 (4), 401403, February
2013.
166. R. M. André, M. J. B. Marques, P. Mergo, O. Frazão, Large range linear torsion sensor based on a suspended-core fiber loop
mirror, Optical Engineering, 52 (2), 020501, February 2013.
165. G. Pereira, C. Frias, H. Faria, O. Frazão, A. T. Marques, On the improvement of strain measurements with FBG sensors
embedded in unidirectional composites, Polymer Testing, 32 (1), 99–105, February 2013.
164. L. C. Gonçalves, G. González-Aguilar, O. Frazão, J. M. Baptista, P.A. S. Jorge, Chemical sensing by differential thermal
analysis with a digitally controlled fiber optic interferometer, Review Scientific Instruments, 84 (1), 015002, January 2013.
163. R. M. André, C. R. Biazoli, S. O. Silva, M. B. Marques, C. M. B. Cordeiro, O. Frazão, Simultaneous strain and temperature
measurement based on multimode interference in tapered fiber structures, IEEE Photon. Tech. Lett., 25 (2), 155 – 158, January,
2013.
162. A. M. R. Pinto, J. M. Baptista, J. L. Santos, M. Lopez-Amo, O. Frazão, Micro-displacement based on Hollow-core Photonic
Crystal Fiber, MDPI Sensors, 12 (12), 17497-17503, December 2012.
161. S. Silva, E. G. P. Pachon, M, A. R. Franco, P. Jorge, J. L. Santos, F. Xavier Malcata, C. M. B. Cordeiro, O. Frazão, Curvature
and temperature discrimination using multimode interference fiber optic structures, IEEE Journal Lightwave Technology, 30 (23),
3569-3575, December 2012.
160. M. S. Ferreira, J. Bierlich, J. Kobelke, K. Schuster, J. L. Santos, O. Frazão, Pressure Sensing Using a Fabry-Perot Cavity
Based on Large Hollow Core Photonic Crystal Fiber, IEEE Photon. Tech. Lett., 24 (23), 2122-2124, December 2012.
159. S. Silva, L. Coelho, P. Roy, O. Frazão, Interferometer based on a D-shape Chaotic Optical Fiber for Measurement of
Multiparameters, Photonic Sensors, 2 (4), 381–384, December 2012.
158. H. Martins, M. B. Marques, P. Jorge, C. M. B. Cordeiro, O. Frazão, Curvature Sensor based on Photonic Crystal Fiber with
Three Coupled Cores, Optics Communications, 285 (24), 5128–5131, November 2012.
157. M. S. Ferreira, J. Bierlich, J. Kobelke, K. Schuster, J. L. Santos, O. Frazão, Towards the control of highly sensitive FabryPérot strain sensor based on hollow-core ring photonic crystal fiber, Optics Express, 20 (20), 21946-21952 September 2012.
156. C. R. Biazoli, M. A. R. Franco, S. O. Silva, O. Frazão, C. M. B. Cordeiro, Multimode Interference Tapered Fiber Refractive
Index Sensors, Applied Optics, 51 (24), 5941-5945, August 2012.
155. S. Silva, L. Coelho, R. M. André, O. Frazão, Gas refractometry based on all-fiber spatial optical filter, Optics Letters, 37 (16),
3450-3452, August 2012.
154. L. Coelho, P. A. R. Tafulo, P. A. S. Jorge, J. L. Santos, D. Viegas, K. Schuster, J. Kobelke, O. Frazão, Simultaneous
Measurement of Partial Pressure of O2 and CO2 with a Hybrid Interferometer, Optics Letters, Optics Letters, 37 (15), 3063-3065,
August 2012.
153. J. Ponmozhi, C. Frias, A. Torres Marques, O. Frazão, “Smart Sensors/Actuators for Biomedical Applications: Review”,
Measurement, 45 (7), 1675–1688, August 2012. REVIEW paper.
152. R. M. Silva, H. Martins, I. Nascimento, J. M. Baptista, A. Lobo Ribeiro, J. L. Santos, P. Jorge, O. Frazão, Optical Current
Sensors for High Power Systems: A Review, MDPI Applied Science, 2 (3), 602-628, July 2012. REVIEW paper.
151. P. Jorge, S. O. Silva, C. Gouveia, P. Tafulo, L. Coelho, P. Caldas, D. Viegas, G. Rego, J. M. Bapista, J. L. Santos, O. Frazão,
“Fiber optic based refractive index sensing”, MDPI Sensors, 12 (6), 8371-8389, June 2012. REVIEW paper.
150. S. F. Silva, E. G. P. Pachona, M. A. R. Franco, J. G. Hayashi, F. X. Malcata, O. Frazão, P. Jorge, C. M. B. Cordeiro, UltraHigh Temperature-Sensitivity Sensor based on Multimode Interference, Applied Optics, 51 (16), 3236-3242, June 2012.
149. O. Frazão, R. M. Silva, M. S. Ferreira, J. L. Santos, A. B. Lobo Ribeiro, Suspended-Core Fibers for Sensing Applications,
Photonic Sensors, 2 (2), 118–126, June 2012. REVIEW paper.
148. M. J. Pontes, M. E. V. Segatto, A. P. L. Barbero, M. T. M. Rocco Giraldi, A. M. Rocha, B. Neto, J. C. W. Costa, M. A. G.
Martinez, O. Frazão, J. M. Baptista, H. Salgado, A. L. J. Teixeira and P. S. André, Brillouin Effect Characterization in All-Raman
Amplified 4  40 Gb/s WDM System, Microwave and Optical Technology Letters, 54 (6), 1403-1407, June 2012.
147. L. Fernandes, M. Becker, O. Frazão, K. Schuster, J. Kobelke, Jens, M. Rothhardt, H. Bartelt, J. L. Santos, P. V. Marques,
Temperature and Strain Sensing With Femtosecond Laser Written Bragg Gratings in Defect and Non-Defect Suspended-Silica-Core
Fibers, IEEE Photonic Technology Letters, 24 (7), 554-556, April 2012.
146. R. M. Silva, A. Layeghi, M. I. Zibaii, H. Latifi J. L. Santos, O. Frazão, Theoretical and Experimental Results of High
Birefringent Fiber Loop Mirror with an Output Port Probe, J. Lightw. Technol., 30 (8), 1032 – 1036, April 2012. INVITED Paper.
145. L. Coelho, J. Kobelke, K. Schuster, O. Frazão, Multimode interference in outer cladding large-core, air-clad photonic crystal
fibre, Microwave and Optical Technology Letters, 54 (4), 1009- 10011, April 2012.
144. M. S. Ferreira, K. Schuster, J.Kobelke, J. L. Santos, O. Frazão, Spatial Optical Filter Sensor based on Hollow Core Silica
Tube, 37 (5), Opt. Lett., 890-892, March 2012.
143. R. M. Silva, M. S. Ferreira, O. Frazão, “Temperature Independent Torsion Sensor based on a High Birefringent Sagnac Loop
Interferometer”, Optics Communications, 285 (6) , 1167-1170, March 2012.
142. P. A. R. Tafulo, P. A. S. Jorge, J. L. Santos, O. Frazão, “Fabry-Pérot cavities based on chemical etching for high temperature
and strain measurement,” Optics communications, 285 (6), 1159-1162, March 2012.
141. R. M. Silva, M. S. Ferreira, J. L. Santos, O. Frazão, “Nanostrain Measurement using Chirped Bragg Grating Fabry-Perot
Interferometer”, Photonic Sensors, 2 (1), 77–80, March 2012.
140. S. H. Aref, M. Zibaii; M. Kheiri; H. Porbeyram; H. Latifi, F. M. Araújo; L. A. Ferreira; J. L Santos; J. Kobelke; K. Schuster;
O. Frazão, Pressure and Temperature Characterization of Two Interferometric Configurations Based on Suspended-Core Fibers,
Optics Communications, 285 (3), 269-273, February 2012.
139. J. P. Carvalho, A. Anuszkiewicz, G. Statkiewicz-Barabach, J. M. Baptista, O. Frazão, P. Mergo, J. L. Santos, W. Urbanczyk,
Long Period Gratings and Rocking Filters Written with a CO2 Laser in Highly-Birefringent Boron-Doped Photonic Crystal Fibres
for Sensing Applications, Optics Communications, 285 (3), 264-268, February 2012.
138. S. F. Silva, O. Frazão, J. L. Santos, F. X. Malcata, A Reflective Optical Fiber Refractometer Based on Multimode
Interference, Sensors & Actuators B, 161 (1), 3, 88-92, January 2012.
137. E. Velosa, C. Gouveia, O. Frazão, P. A. S. Jorge and J. M. Baptista, “Digital Control of a White Light Interrogation System
for Optical Fiber Interferometers”, IEEE Sensors Journal, 12 (1), 201-206, January 2012.
136. S. F. Silva, L. Coelho, O. Frazão, J. L. Santos, F. X. Malcata, “A review of palladium-based fiber optic sensors for molecular
hydrogen detection,” IEEE Sensors Journal, 12 (1), 93-102, January 2012. REVIEW paper.
135. C. Gouveia, P. A. S. Jorge, J. M. Baptista, O. Frazão, “Fabry-Pérot cavity based on a high-birefringent fiber Bragg grating for
refractive index and temperature measurement,” IEEE Sensors Journal, 12 (1), 17-21, January 2012.
134. Paula A. R. Tafulo, P. A. S. Jorge, J. L. Santos, F. M. Araújo, O. Frazão, “Intrinsic Fabry-Pérot Cavity Sensor based on
Etched Multimode Graded Index fiber,” IEEE Sensors Journal, 12 (1), 8-12, January 2012.
133. J. P. Carvalho, L. Coelho, M.J. Pontes, A. P. Barbero, M. A. Martinez, R. M. Ribeiro, J. Weyl, J. M. Baptista, M. T. R. Giraldi,
I. Dias, J.L. Santos, O. Frazão, “Long Period Gratings Dynamic Interrogation with Modulated Fibre Bragg Gratings and Optical
Amplification,” IEEE Sensors Journal, 12 (1), 179-183, January 2012.
132. H. Martins, M. B. Marques, O. Frazão, “Comparison of Brillouin-Raman comb fiber laser in two different configurations”,
Lasers Physics, 21 (11), 1925–1931, November 2011.
131. L. Coelho, J. Kobelke, K. Schuster, José L. Santos, O. Frazão, Optical Refractometer Based on Multimode Interference in a
Pure Silica Tube, Opt. Eng., 50 (10), 100504, October 2011.
130. M. Bravo, J. M. Baptista, J. L.Santos, M. Lopez-Amo, O. Frazão, 250 km ultra long sensor system based on a Fiber Loop
Mirror interrogated by an OTDR, Opt. Lett., 36 (20), 4059-4061, October 2011.
129. M. S. Ferreira, L. Coelho, K. Schuster, J. Kobelke, J. L. Santos, O. Frazão, Fabry-Pérot Cavity Based on a Diaphragm Free
Hollow Core Silica Tube, 36 (20), Opt. Lett., 36 (20), 4029-4031, October 2011.
128. R. M. Silva, M. S. Ferreira, J. Kobelke, K. Schuster, O. Frazão, Simultaneous Measurement of Curvature and Strain using a
Suspended Multicore Fiber, Opt. Lett., 36 (19), 3939-3941, October 2011.
127. H. F. Martins, M. B. Marques, O. Frazão, “Temperature-Insensitive Strain Sensor based on Four-Wave Mixing using Raman
Fiber Bragg Grating Laser Sensor with Cooperative Rayleigh Scattering,” Appl. Phys. B: Laser Optic, 104 (4), 957-960, September
2011.
126. H. Martins, M. B. Marques, O. Frazão, 300 km-Ultralong Raman Fiber Lasers using a Distributed Mirror for Sensing
Applications, Opt. Express, 19 (19), 18149-18154, September 2011.
125. O. Frazão, S. O. Silva, J. Viegas, L. A. Ferreira, F. M. Araújo, J. L. Santos, “Optical Fiber Refractometry Based on Multimode
Interference”, Appl. Opt., 50 (25), E184-E188, September 2011. REVIEW paper.
124. M. Zibaii, O. Frazão, H. Latifi, P.A.S. Jorge, Controlling the Sensitivity of Refractive Index Measurement using a Tapered
Fiber Loop Mirror ”, IEEE Photon. Technol. Lett., 23 (17), 1219-1221, September 2011.
123. L. M. N. Amaral, O. Frazão, J. L. Santos and A. B. Lobo Ribeiro, “Fiber Optic Inclinometer Based on Taper Michelson
Interferometer”, IEEE Sensors Journal, 11 (9), 1811-1814, September 2011.
122. S. F. O. Silva, O. Frazão, J. Viegas, L. A. Ferreira, F. M. Araújo, F. X. Malcata, J. L. Santos, “Temperature and StrainIndependent Curvature Sensor Based on a Single mode/Multimode Fiber Optic Structure”, Meas. Sci. Technol., 22 (8) 085201
(6pp), August 2011.
121. C. A. Ramos, R. de Oliveira, A.T. Marques, O. Frazão, “Design and experimental evaluation of a composite strain rosette
using fibre Bragg gratings,” Microw Opt Tech Lett, 53 (8), 1853-1857, August 2011.
120. G. Statkiewicz-Barabach, J. P. Carvalho, O. Frazão, J. Olszewski, P. Mergo, J. L. Santos, W. Urbanczyk, “Intermodal
interferometer for sensing applications fabricated in birefringent boron doped microstructured fiber”, Appl. Opt., 50 (21), 3742-3749, July 2011.
119. P. Caldas, P. A. S. Jorge, G. Rego, O. Frazão, J. L. Santos , L. A. Ferreira, “F. M. Araújo, “Fibre Optic Hot-Wire Flowmeter
Based on a Metallic Coated Hybrid LPG-FBG Structure,” Appl. Opt., 50 (17), 2738-2743, June 2011.
118. J. P. Carvalho, L. Coelho, J. M. Baptista, J. L. Santos, O. Frazão, “Dynamic Interrogation of Optical Fiber Sensors based on
Long Period Grating,” Meas. Sci. Technol., 22 (6), 065201 (5pp), June 2011.
117. C. Gouveia, P. A. S. Jorge, J. M. Baptista, O. Frazão, “Temperature-independent curvature sensor using FBG cladding modes
based on a core misaligned splice”, IEEE Photon. Technol. Lett., 23 (12), 804-806, June 2011.
116. J. M. Baptista, C. Correia, M. B. Marques, O. Frazão, “A Raman laser intensity sensor induced by the cooperative Rayleigh
scattering in a ring configuration,” Lasers Physics, 21 (5), 928–930, May 2011.
115. Ana M. R. Pinto, O. Frazão, J. L. Santos, M. Lopez-Amo, “Multiwavelength Raman fiber lasers using Hi-Bi photonic crystal
fiber loop mirrors combined with random cavities,” J. Lightw. Technol., 29 (10), 1482-1488, May 2011.
114. R. B. Queirós, S.O. Silva, J.P. Noronha, O. Frazão, P.Jorge, G. Aguilar, P. V. Marques, M.G.F. Sales, Microcystin-LR
detection in water by the Fabry-Perot interferometer using an optical fibre coated with a sol-gel imprinted sensing membrane,
Biosensors and Bioelectronics, 26 (9), 15, 3932-3937, May 2011.
113. I. Abe, J. Oliveira, E. Simões, O. Frazão, P. Caldas, J. L. Pinto, “Characterization of Optical Fiber Long Period Grating
Refractometer coated with a Nanolayer”, Sensors & Actuators B, 153 (2), 335-339, April 2011.
112. M. S. Ferreira, J. Vieira, C. Frias, O. Frazão, Simultaneous measurement of strain and temperature using fiber Bragg grating
sensors embedded in hybrid composite laminates, Meas. Sci. Technol., 22 (4), 045206, April 2011.
111. M. S. Ferreira, J. M. Baptista, P. Roy, R. Jamier, S. Février, O. Frazão, Highly-Birefringent Photonic Bandgap Bragg Fiber
Loop Mirror for simultaneous measurement of strain and temperature, Opt. Lett., 36 (6), 993-995, March 2011.
110. S. F. O. Silva, J. L. Santos, F. Xavier Malcata, Jens Kobelke, Kay Schuster, O. Frazão, “Optical Refractometer based on
Large-Core, Air-Clad Photonic Crystal fibers,” Opt. Lett., 36 (6), 852-854, March 2011.
109. S. F. O. Oliveira , J. L. Santos , J. Kobelke , K. Schuster , O. Frazão, “Simultaneous Measurement of Three Parameters using
an all Fibre Mach-Zehnder Interferometer Based on Suspended Twin-Core Fibre,” Opt. Eng., 50 (3), 03050, March 2011.
108. S. F. O. Silva, L. A. Ferreira, F. M. Araújo, J. L. Santos, O. Frazão, “Fibre Bragg Grating Structures with Fused Tapers”,
Fiber and Integrated Optics, 30 (1), 9-28, January 2011.
107. O. Frazão, R.M. Silva, J. L. Santos, “High-Birefringent Fiber Loop Mirror Sensors with an Output Port Probe”, IEEE Photon.
Technol. Lett., 23 (2), 103-105, January 2011.
106. R. Perez-Herrera, D. A. Pereira, O. Frazão, J. M. Castro Ferreira, J. L. Santos, F. M. Araújo, L. A. Ferreira, J. M. Baptista, M.
Lopez-Amo, “Optimization of the Frequency-Modulated Continuous Wave Technique for Referencing and Multiplexing IntensityBased Fiber Optic Sensors”, Measurement, 44 (1), 230-237, January 2011.
105. C. A. Ramos, R. de Oliveira, A. T. Marques, O. Frazão, “Measurement of dynamic strain using an optic fibre system in
adaptive composite laminates with integrated piezoelectric sensor/actuator,” Optica Applicata, 41 (1), 77-88, January 2011.
104. I. Abe, J. Oliveira, E. Simões, P. Caldas, O. Frazão, “Monitoring the quality of Frying Oils using a Nanolayer coated Optical
Fiber Refractometer,” Talanta, 83 (1), 291-293, November 2010.
103. A. M. R. Pinto, O. Frazão, J. L. Santos, M. Lopez-Amo, J. Kobelke, K. Schuster, “Interrogation of a Suspended-core FabryPerot Temperature Sensor through a Dual Wavelength Raman Fiber Laser,” IEEE J. Lightw. Technol., 28 (21), 3149-3155,
November 2010.
102. O. Frazão, L. M. N. Amaral, J. M. Baptista, P. Roy, R. Jamier, S. Février, “Strain and Temperature Discrimination using
Modal Interferometry in Bragg Fibers, IEEE Photon. Technol. Lett.,” 22 (21), 1616-1618, November 2010.
101. S. E. U. Lima, O. Frazão, R. Farias, F. M. Araújo, L. A. Ferreira, J. L. Santos, V. Miranda, “Mandrel-Based Fiber Optic
Sensors for Acoustic Detection of Partial Discharges – a proof of concept”, IEEE Transactions on Power Delivery, 25 (4), 25262534, October 2010.
100. D. Viegas, J. P. Carvalho, L. Coelho, J. L. Santos, F. M. Araújo, O. Frazão, “Long Period Grating Fibre Sensor with In Situ
Optical Source for Remote Sensing,” IEEE Photon. Technol. Lett., 22 (20), 1533-1535, October 2010.
99. L. M. N. Amaral, D. A. Pereira, O. Frazão, M. B. Marques, M. J. N. Lima, and A. L. J. Teixeira, “PMD Measurements based
on Low-Coherence Interferometry using a Michelson Interferometer”, Microw Opt Tech Lett, 52 (10), 2310-2312, October 2010.
98. O. Frazão, S. F. O. Silva, J.M. Baptista, J. L. Santos, J. Kobelke, K. Schuster. “All fiber Mach-Zehnder interferometer based on
suspended twin-core fiber”, IEEE Photon. Technol. Lett., 22 (17), 1300- 1302, September 2010.
97. C. Frias, H. Faria, O. Frazão, P. Vieira, A. T. Marques, “Manufacturing and Testing Composite Overwrapped Pressure Vessels
with Embedded Sensors”, Materials & Design, 31 (8), 4016–4022, September 2010.
96. O. Frazão, R. M. Silva, J. Kobelke and K. Schuster, Temperature- and Strain-Independent Torsion Sensor using a fibre loop
mirror based on a Suspended Twin-core Fibre, Opt. Lett., 35 (16), 2777-279, August 2010.
95. R. M. André, M. B. Marques, P. Roy, O. Frazão, “Fiber loop mirror using a small core microstructured fiber for strain and
temperature discrimination”, IEEE Photon. Technol. Lett., 22 (15), 1120-1122, August 2010.
94. V. Richter-Trummer , S. O. Silva, D. F. C. Peixoto, O. Frazão, P. M. G. P. Moreira, J. L. Santos, P.M. S. T. de Castro, O Fibre
Bragg Grating sensors for monitoring the Metal Inert Gas and Friction Stir Welding processes, Meas. Sci. Technol., 21 (8). 085105,
August 2010.
93. M. T. M. Rocco Giraldi, A. M. Rocha, B. Neto, C. Correia, M. E. V. Segatto, M. J. Pontes, A. P. L. Barbero, J. C. W. Costa, M.
A. G. Martinez, O. Frazão, J. M. Baptista, H. M. Salgado, M. B. Marques, A. L. J. Teixeira, P. S. André, “Rayleigh assisted
Brillouin Effects in Distributed Raman Amplifiers under Saturated Conditions at 40 Gb/s”, Microw Opt Tech Lett, 52 (6), 13311335, June 2010.
92. C. Silva, J. M. P. Coelho, O. Frazão, P. Caldas, J. L. Santos, P. A. S. Jorge, Optical Fibre Sensing System Based on Long
Period Gratings for Remote Refractive index Measurement in Aqueous Environments, Fiber and Integrated Optics, 29 (3), 160-169,
May-June 2010.
91. A. M. R. Pinto, O. Frazão, J. L. Santos, M. Lopez-Amo, Multiwavelength Fiber Laser based on a Photonic Crystal Fiber Loop
Mirror with cooperative Rayleigh Scattering, Appl. Phys.: Laser Optic, 99 (3), 391-395, May 2010.
90. S. E. U. Lima, O. Frazão, R. G. Farias, F. M. Araújo, L. A. Ferreira, V. Miranda, J. L. Santos, “Intrinsic and Extrinsic Fiber
Fabry-Perot Sensors for Acoustic Detection in Liquids” Microw Opt Tech Lett, 52 (5), 1129-1134, May 2010.
89. S. H. Aref, R. Amezcua-Correa, J. P. Carvalho, O Frazão, J. L. Santos, F. M. Araújo, H. Latifi, F. Farahi, L. A. Ferreira, J. C.
Knight, “Spectral Characterization of a Photonic Band-Gap Fiber for Sensing Applications”, Appl. Opt., 49 (10), 1870-1875, April
2010.
88. J. P. Carvalho, F. Magalhães, O. Frazão, J. L. Santos, F. M. Araújo, L. A. Ferreira, “Splicing and Coupling Losses in HollowCore Photonic Crystal Glass Fibers”, Solid State Phenomena, 161, 43-50, April 2010.
87. O. Frazão, S. F. O. Silva, J. Viegas, J. M. Baptista, J. L. Santos, P. Roy, “A Hybrid Fabry-Perot/Michelson interferometer
sensor using a dual asymmetric core microstructured fiber”, Meas. Sci. Technol., 21 (2), 025205 (5pp), February 2010.
86. O. Frazão, D. Pereira, J. L. Santos, I. Dias, J. M. Dias, N. Vaz, J. F. Lopes, M. Teixeira, A. Quintela, J. Ferreira, L. A. Ferreira,
F. M. Araújo, “Industrialization of advanced optical technologies for environmental monitoring”, Clean Technol. Environ. Policy,
12 (1), 65-73, Fevereiro 2010.
85. C. Jesus, S. F. O. Silva, M. Castanheira, G. González Aguilar, O. Frazão, P. A. S. Jorge, J. M. Baptista, “Measurement of
Acetic Acid using a fibre Bragg Grating Interferometer, Meas. Sci. Technol.”, 20 (12), 125201 (5pp), December 2009.
84. R. A. Perez-Herrera, O. Frazão, J. L. Santos, F. M. Araújo, L. A. Ferreira, J. M. Baptista, M. Lopez-Amo, “Frequency
modulated continuous wave system for optical fibre intensity sensors with optical amplification”, IEEE Sensors Journal, 9 (12),
1647-1653, December 2009.
83. C. Jesus, P. Caldas, O. Frazão, P. A. S. Jorge, J. M. Baptista, J. L. Santos, “Simultaneous measurement of refractive index an
temperature using a hybrid FBG/LPG configuration”, Fiber and Integrated Optics, 28 (6), 440–449, November 2009.
82. S. H. Aref, O. Frazão, P. Caldas, L. A. Ferreira, F. M. Araújo, J. L. Santos, H. Latifi, J. Ballato, T. Her, F. Farahi, “Modal
Interferometer Based on ARROW Fiber for Strain and Temperature Measurement”, IEEE Photon. Technol. Lett., 21 (21), 16361638, November 2009.
81. S. H. Aref, R. Amezcua-Correa, J. P. Carvalho, O Frazão, P. Caldas, J. L. Santos, F. M. Araújo, F. Farahi, H. Latifi, L. A.
Ferreira, J. C. Knight, “Modal Interferometer Based on Hollow-Core Photonic Crystal Fiber for Strain and Temperature
Measurement”, Opt. Express, 17 (21), 18669-18675, October 2009.
80. M. Becker, M. Rothhardt, S. Bruckner, K. Schuster, J. Kobelke, L. Fernandes, O. Frazão, H. Bartelt, P. V. S. Marques,
“Inscription of Fiber Bragg Grating Arrays in Pure Silica Suspended Core Fibers”, IEEE Photon. Technol. Lett., 21 (19), 1453-1455,
October 2009.
79. O. Frazão, C. Jesus, J. M. Baptista, J. L. Santos, P. Roy, “Fiber-optic Polarimetric Torsion Sensor based on a Two-LP-mode
Operation in Birefringent Fiber”, IEEE Photon. Technol. Lett., 21 (17), 1229-1231, 1277-1279, September 2009.
78. O. Frazão. S. H. Aref, J. L. Santos. H. Latifi, J. Kobelke, K. Schuster, J. M. Baptista, “Fabry–Perot Cavity using a Suspendedcore Fiber for Strain and Temperature Measurement”, IEEE Photon. Technol. Lett., 21 (17), 1229-1231, September 2009.
77. O. Frazão, J. M. Baptista, J. L. Santos, J. Kobelke, K. Schuster, “Refractive index tip sensor based on Fabry-Perot cavities
formed by a suspended core fibre”, Journal European Optical Society-RP, 4, 09041 (4p), 2009.
76. O. Frazão, P. Caldas, J. L. Santos, P. V. S. Marques, C. Turck, D. J. Lougnot, O. Soppera, “Fabry-Perot refractometer based on
an end-of-fibre polymer tip”, Opt. Lett., 34, (16), 2474-2476, August 2009.
75. C. Frias, O. Frazão, S. Tavares, A. Vieira, J. Simões, A. T. Marques, “Mechanical Characterization of Bone Cement using Fiber
Bragg grating sensors”, Materials & Design, 30 (5), 1841–1844, May 2009.
74. A. Vieira, R. de Oliveira, O. Frazão, J. M. Baptista, A. T. Marques, “Effect of the fibre coating and grating length on answer of
fibre Bragg grating sensors embedded in polymer composites”, Materials & Design, 30 (5), 1818-1821, May 2009.
73. O. Frazão, C. Correia, J. M. Baptista, J. L. Santos “Raman fibre Bragg grating laser sensor with cooperative Rayleigh scattering
in strain-temperature measurement”, Meas. Sci. Technol.. 20 (4), 045203 (5pp), April 2009.
72. J. Montalvo, O. Frazão, J. L. Santos, C. Vázquez, J. M. Baptista, “Coarse WDM Passive Optical Network for Self-Referencing
Optical Intensity Sensors With Enhanced Sensitivity”, IEEE J. Lightw. Technol., 27 (5), 475-482, March 2009.
71. S. E. U. Lima, O. Frazão, F. M. Araújo, L. A. Ferreira, V. Miranda, J. L. Santos, “Extrinsic and intrinsic fiber optic
interferometric sensors for acoustic detection of partial discharges in oil-filled power transformers”, Opt. Eng., 48 (2), 024401 (8
pp), February 2009.
70. O. Frazão, C. Correia, M. T. M. Rocco Giraldi, M. B. Marques, H. M. Salgado, M. A. G. Martinez, J. C. W. A. Costa, A. P.
Barbero, J. M. Baptista, “Stimulated Raman scattering and its applications in optical communications and optical sensors”, The
Open Optics Journal, 3 (0), 1-11, February 2009. REVIEW paper.
69. O. Frazão, T. Martynkien, J. M. Baptista, J. L. Santos, W. Urbanczyk, J. Wojcik, “Optical refractometer based on a birefringent
Bragg grating written in an H-shape fiber”, Opt. Lett., 34 (1), 76-78, January 2009.
68. O. Frazão, R. de Oliveira, I. Dias, “A Simple Smart Composite using Fibre Bragg Grating Sensors for Strain and Temperature
Discrimination”, Microw Opt Tech Lett, 51 (1), 235-239, January 2009.
67. O. Frazão, J. L. Santos, F. M. Araújo, L. A. Ferreira, “Optical sensing with photonic crystal fiber”, Laser & Photonics Reviews,
2 (6), 449-459, December 2008. REVIEW paper.
66. O. Frazão, J. M. Baptista, J. L. Santos, J. Kobelke, K. Schuster, “Strain and temperature characterization of a sensing head
based on a suspended-core fibre in a Sagnac interferometer”, Electronics Letters, 44 (25), 1455-1456, December 2008.
65. O. Frazão, D. Egypto, L. Bittencourt, M. T. M. R. Giraldi, M. B. Marques, “Temperature sensor using Hi-Bi erbium doped
fiber loop mirror”, Microw Opt Tech Lett, 50 (12), 3152-3154, December 2008.
64. O. Frazão, B. V. Marques, P. A. S. Jorge, J. M. Baptista, J. L. Santos, “High birefringence D-type fiber loop mirror used as
refractometer”, Sensors and Actuators B: Chemical, 135 (1), 108-111, December 2008.
63. O. Frazão, C. Correia, J. M. Baptista, M. B. Marques, J. L. Santos, “Ring Fiber Laser with Interferometers based in Long
Period Grating for Sensing Applications”, Optics Communications, 281 (22), 5601-5604, November 2008.
62. O. Frazão, S. O. Silva, J. M. Baptista, J. L. Santos, G. Statkiewicz-Barabach, W. Urbanczyk, J. Wojcik, “Simultaneous
measurement of multi-parameters using a Sagnac interferometer with polarization maintaining side-hole fiber”, Appl. Opt., 47 (27),
4841-4848, September 2008.
61. S. F. O. Silva, O. Frazão, J. L. Santos, L. A. Ferreira, F. M. Araújo, “Interrogation of a Fibre Fabry-Pérot Interferometer using
aShifted Bragg Grating”, Meas. Sci. Technol.. 19 (8), 085302 (1-5), August 2008.
60. O. Frazão, D. Egypto, L. Bittencourt, M. T. M. R. Giraldi, M. B. Marques, “Strain and Temperature Discrimination using High
Birefringence Erbium Doped Fiber Loop Mirror with High Pump Power Laser”, IEEE Photon. Technol. Lett.. 20 (12), 1033-1035,
June 2008.
59. S. F. O. Silva, O. Frazão, J. L. Santos, F. M. Araújo, L. A. Ferreira, “Fibre Bragg Grating Structure in a Braid Twisted
Configuration for Sensing Applications”, Journal of Optics A: Pure and Appl. Opt.. 10 (5), 531 -534, May 2008.
58. S. F. O. Silva, O. Frazão, P. Caldas, J. L. Santos, F .M. Araújo, L. A. Ferreira, “Optical Fibre Refractometer based on a FabryPérot Interferometer”, Opt. Eng.. 47 (5), 054403 (1-5), May 2008.
57. O. Frazão, J. M. Baptista, J. L. Santos, P. Roy, "Curvature sensor using a highly birefringent photonic crystal fiber with two
asymmetric hole regions in a Sagnac interferometer”, Appl. Opt., 47 (13), 2520-2523, May 2008.
56. B. V. Marques, O. Frazão, S. Mendonça, J. Perez, M. B. Marques, S. F. Santos, J. M. Baptista, “Optical current sensor based on
Metal Coated Hi-Bi Fiber Loop Mirror”, Microw. Opt. Tech. Lett. 50 (3), 780-782, March 2008.
55. O. Frazão, S. F. O. Silva, A. Guerreiro, J. L. Santos, L. A. Ferreira, F. M. Araújo, “Strain sensitivity control of fiber Bragg
grating structures with fused tapers”, Appl. Opt.. 46 (36), 8578-8582, December 2007.
54. O. Frazão, A. Guerreiro, J. L. Santos, J. M. Baptista, “Birefringence monitoring of a Hi-Bi fibre under chemical etching through
a fibre loop mirror”, Meas. Sci. Technol.. 18 (12), N81-N83, December 2007.
53. O. Frazão, J. M. Baptista, J. L. Santos, “Recent advances in high-birefringence fibre loop mirror sensors”, MDPI Sensors
Journal. 7 (11), 2970-2983 November 2007. REVIEW paper.
52. O. Frazão, J. Viegas, P. Caldas, J. L. Santos, F. M. Araújo, L. A. Ferreira, F. Farahi, “All-fiber Mach-Zehnder curvature sensor
based on multimode interference combined with a long period grating”, Opt. Lett., 32 (23), 3074-3076, November 2007.
51. O. Frazão, L. Marques, J. M. Marques, J. M. Baptista, J. L. Santos, “Simple sensing head geometry using fibre Bragg gratings
for strain-temperature discrimination”, Optics Communications. 279 (1), 68-71, November 2007.
50. O. Frazão, J. M. Baptista, J. L. Santos, “Temperature-independent strain sensor based on a Hi-Bi photonic crystal fibre loop
mirror”, IEEE Journal Sensors. 7 (10). 1453-1455, October 2007.
49. R. Falate, O. Frazão, G. Rego, O. V. Ivanov, H. J. Kalinowski, J. L. Fabris, J. L. Santos, “Bending sensitivity dependent on the
phase-shift imprinted in the long-period fibre gratings”, Meas. Sci. Technol.. 18 (10), 3123–3130, October 2007.
48. D. Viegas, N. M. P. Pinto, R. Romero, O. Frazão, A. Costa, “PMD Behavior in Induced Birefringence Uniform Fibre Bragg
Gratings”. Microw. Opt. Tech. Lett. 49 (10), 2451-2454, October 2007.
47. O. Frazão, J. M. Baptista, J. L. Santos, “Strain and temperature discrimination using concatenated Hi-Bi fiber loop mirrors”.
IEEE Photon. Technol. Lett.. 19 (16), 1260-1262, August, 2007.
46. O. Frazão, P. Caldas, F. M. Araújo, L. A. Ferreira, J. L. Santos, “Optical flowmeter using a modal interferometer based on a
single non-adiabatic fibre taper”. Opt. Lett., 32 (14), 1974-1976, July 2007.
45. S. Mendonça, O. Frazão, J. M. Baptista, J. L. Santos, “Fibre optic displacement sensing monitored by an OTDR and referenced
by Fresnel reflection and by fibre Bragg gratings”, Microw. Opt. Tech. Lett. 49 (4), 768-770, April 2007.
44. P. M. G. P. Moreira, O. Frazão, S. M. O. Tavares, M. A. V. de Figueiredo, M. T. Restivo, J. L. Santos, P. M. S. T. de Castro.
“Temperature field acquisition during gas metal arc welding using thermocouples, thermography and fibre Bragg grating sensors”.
Meas. Sci. Technol.. 18 (3), 877-883, March 2007.
43. R. Romero, O. Frazão, “Linear Tunable Dispersion Compensation Device Using Selective Stretching in Chirped Fibre Bragg
Grating”, Microw. Opt. Tech. Lett. 49 (1), 720-722, March 2007.
42. J. M. Baptista, J. M. Marques, O. Frazão, S. Santos, J. L. Santos, M. B. Marques, “Stimulated Brillouin scattering as the
referencing mechanism of an optical fibre intensity sensor”. Optics Communications. 271 (1), 224-227, March 2007.
41. O. Frazão, J. M. Marques, J. L. Santos, M. B. Marques, J. M. Baptista, “Brillouin Fibre Laser discrete Sensor for Simultaneous
Strain and Temperature Measurement”, Appl. Phys.: Laser Optic. 86 (3), 555-558, February 2007.
40. O. Frazão, R. Morais, J. M. Baptista, J. L. Santos, “Fibre ring laser sensor for strain-temperature discrimination based on fourwave mixing effect”, Opt. Eng.. 46 (1), 010502-1-3, January 2007.
39. S. F. O. Silva, O. Frazão, J. L. Santos, F .M. Araújo, L. A. Ferreira, “Discrimination of Temperature, Strain and Transverse
Load using Fibre Bragg Gratings in a Twisted Configuration”. IEEE Journal Sensors. 6 (6), 1609-16013, December 2006.
38. O. Frazão, L. M. Marques, S. Santos, J. M. Baptista, J.L.Santos, “Simultaneous measurement for strain and temperature based
on a long period grating combined with a high-birefringence fibre loop mirror”. IEEE Photon. Technol. Lett.. 18 (22), 2407-2409,
November 2006.
37. O. Frazão, L. M. Marques, J. M. Baptista, “Fibre Bragg grating interrogation based on high-birefringence fibre loop mirror for
strain-temperature discrimination”. Microw. Opt. Tech. Lett. 48 (11), 2326-2328, November 2006.
36. O. Frazão, R. Falate, J. L. Fabris, J. L. Santos, L. A. Ferreira, F. M. Araújo, “Optical inclinometer based on a single long-period
fiber grating combined with a fused taper”. Opt. Lett.. 31 (20), 2960-2962, October 2006.
35. R. Falate, O. Frazão, G. Rego, J. L. Fabris, J. L. Santos, “Refractometric sensor based on a phase-shifted long-period fibre
grating”, Appl. Opt.. 45 (21), 5066-5072, July 2006. The paper was selected to Virtual Journal for Biomedical Optics, 1 (8), August
2006.
34. C. A. Ramos, O. Frazão, I. Dias, A. T. Marques, "The signal characteristics of the spectral response of Bragg grating sensor
embedded in composite laminated after the cure process". Materials Science Forum. 514 – 516, 629-632. 2006.
33. R. Oliveira, O. Frazão, J. L. Santos, A. T. Marques, “Development of an optic fibre sensor system for acoustic emission sensing
in FRP”, Materials Science Forum. 514 – 516, 794-798, 2006.
32. N. M. P. Pinto, O. Frazão, J. M. Baptista, J. L. Santos, “Quasi-distributed displacement sensing for structural monitoring using
a commercial OTDR”, Optics and Lasers in Engineering. 44 (8), 747-870, August 2006.
31. J. P. Carvalho, O. Frazão, R. Romero, M. J. Marques, H. M. Salgado, “Fibre Bragg grating switching behavior using high
power pump laser diodes”, Microw. Opt. Tech. Lett. 48 (8), 1538-1540, August 2006.
30. I. Abe, O. Frazão, M. W. Schiller, R. N. Nogueira, H. J. Kalinowski, J. L. Pinto, “Bragg gratings in normal and reduced
diameter high birefringence fibre optics”, Meas. Sci. Technol.. 17 (6), 1477-1484, June 2006.
29. J. M. Baptista, S. F. Santos, G. Rego, O. Frazão, J. L. Santos, “Micro-displacement or bending measurement using a longperiod fiber grating in a self-referenced fiber optic intensity sensor”, Optics Communications. 260 (1), 8-11, April 2006.
28. O. Frazão, R. Falate, J. M. Baptista, J. L. Fabris, J. L. Santos, “Optical bend sensor based on a long-period fiber grating
monitored by an OTDR”. Opt. Eng., 44 (11), 110502-1-3, November 2005.
27. O. Frazão, J. P. Carvalho, L. A. Ferreira, F. M. Araújo, J. L. Santos, “Discrimination of strain and temperature using Bragg
grating in microstructured and standard optical fibres”, Meas. Sci. Technol.. 16 (10), 2109-2113, October 2005.
26. R. Romero, O. Frazão, F. Floreani, L. Zhang, P. V. S. Marques, H. M. Salgado, “Chirped fibre Bragg grating based multiplexer
and demultiplexer for DWDM applications”, Optics and Lasers in Engineering, 43 (9), 987-994, September 2005.
25. O. Frazão, C. A. Ramos, N. M. P. Pinto, J. M. Baptista, A. T. Marques. “Simultaneous measurement of pressure and
temperature using single mode optical fibres embedded in a hybrid composite laminated”, Compos. Sci. Technol., 65 (11-12), 17561760, September 2005.
24. N. M. P. Pinto, O. Frazão, J. M. Baptista, J. L. Santos, “Transversal load measurement based on twisted optical fibres”. Review
Scientific Instruments. 76 (8), 083113-1-4, August 2005.
23. O. Frazão, L. A. Ferreira, F. M. Araújo, J. L. Santos, “Simultaneous measurement of strain and temperature using Bragg
gratings in a twisted configuration”, Journal of Optics A: Pure and Appl. Opt., 7 (8), 427-430, August 2005.
22. O. Frazão, J. P. Carvalho, H. M. Salgado “Low Loss Splice in a Microstructured Fibre Using a Conventional Fusion Splicer”,
Microw Opt Tech Lett, 46 (2), 172-174, July 2005.
21. R. Romero, O. Frazão, D. A. Pereira, H. M. Salgado, F. M. Araújo, L. A. Ferreira, “Intensity-referenced and TemperatureIndependent Curvature Sensing Concept Based on Chirped Fibre Bragg Gratings”, Appl. Opt.. 44 (18), 3821-3826, June 2005.
20. J. P. Carvalho, R. Romero, M. Melo, L. A. Gomes, O. Frazão, M. B. Marques, H. M. Salgado, “Optical Fibre Communications:
Recent Contributions in Optical Device Technology”. Fiber & Integrated Optics. 24 (3-4), 371-394, May-August 2005.
19. O. Frazão, L. A. Ferreira, F. M. Araújo, J. L. Santos, “Applications of Fibre Optic Grating Technology to Multi-Parameter
Measurement”. Fiber & Integrated Optics. 24 (3-4), 227-244, May-August 2005. REVIEW paper.
18. D. Pereira, O. Frazão, J. Ferreira, I. Dias, J. M. Dias, M. Teixeira, N. Vaz, A. Quintela, J. F. Lopes, J. L. Santos, “Advanced
Optical Technologies for Monitoring Estuaries and Coastal Environments”. Ciencias Marinas. 31 (1B), 275-284, May 2005.
17. O. Frazão, R. Romero, F. M. Araújo, L. A. Ferreira, J. L. Santos, “Strain-temperature Discrimination Using a Step Spectrum
Profile Fibre Bragg Grating Arrangement”, Sensors & Actuators A: Physical, 120 (2), 490-493, May 2005.
16. O. Frazão, M. Melo, P. V. S. Marques, J. L. Santos, “Chirped Bragg Grating Fabricated in Fused Fibre Taper for StrainTemperature Discrimination”, Meas. Sci. Technol.. 16 (4), 984-988, April 2005.
15. R. Romero, O. Frazão, P. V. S. Marques, H. M. Salgado, “Ring Chirped Fibre Bragg Grating for Dynamic Dispersion
Compensation”, Optics Communications, 242 (4-6), 417-423, December 2004.
14. O. Frazão, J. L. Santos, “Simultaneous Measurement of Strain and Temperature using a Bragg Grating Structure Written in
Germanosilicate Fibres”. Journal of Optics A: Pure and Appl. Opt.. 6 (6), 553- 556, June 2004.
13. R. Oliveira, O. Frazão, J. L. Santos, A. T. Marques, “Optic fibre sensor for real time damage detection in smart composite”.
Journal of Computers & Structures. 82 (17-19), 1315-1321, July 2004.
12. I. Abe, H. J Kalinowski, O. Frazão, J. L. Santos, R. N. Nogueira, J. L. Pinto, “Superimposed Bragg gratings in highbirefringence fibre optics: simultaneous measurements of three parameters”, Meas. Sci. Technol., 15 (8), 1453-1457, August 2004.
11. D. A. Pereira, O. Frazão, J. L. Santos “Fibre Bragg grating sensing system for simultaneous measurement of salinity and
temperature”, Opt. Eng., 43 (2), 299-304, February 2004.
10. I. Abe, H. J. Kalinowski, R. Nogueira, J. L. Pinto, O. Frazão, “Production and Characterization of Bragg Gratings written in
High Birefringence Fibre Optics”, IEE Proceedings on Circuits, Devices and System, 150 (6), 495-500, December 2003.
9. R. Romero, O. Frazão, P. V. S. Marques, H. M. Salgado, J. L. Santos, “Fibre Bragg Grating Interrogation technique Based on a
Chirped Grating written in an Erbium Doped Fibre”, Meas. Sci. Technol., 14 (10), 1993-1997, November 2003.
8. M. J. N. Lima, A. L. J. Teixeira, O. Frazão, P. S. B. André, J. R. Ferreira da Rocha, “Comparison of Thermally Tuneable and
group Delay of Different Type Bragg Grating Filters for Wavelength Division Multiplexing”, Opt. Eng., 42 (9), 2502-2505,
September 2003.
7. M. Melo, O. Frazão, A. L. J. Teixeira, L. A. Gomes, J. R. Ferreira da Rocha, H. M. Salgado, “Tunable L-band erbium doped
fibre ring laser by means of induced cavity loss using a fibre taper”, Appl. Phys.: Laser Optic. 77 (1), 133-137, August 2003.
6. I. Terroso, J. P. Carvalho, O. Frazão, M. B. Marques, H. M. Salgado, “All-Fibre Wavelength Conversion based on Four-WaveMixing in a Ring Erbium Doped Fibre Laser”, Appl. Phys.: Laser Optic. 77 (1), 139 – 142, August 2003.
5. O. Frazão, M. J. N. Lima, J. L. Santos, “Simultaneous Measurement of Temperature and Strain using Type I and Type IIA Fiber
Bragg Gratings”, Journal of Optics A: Pure and Appl. Opt., 5 (3), 183-185, May 2003.
4. O. Frazão, I. Terroso, J. P. Carvalho, H. M. Salgado, “Optical Cross-Connect based on Tunable FBG-OC with Full Scalability
and Bidirectionality”, Optics Communications, 220 (1-3), 105-109, May 2003.
3. O. Frazão, R. Romero, G. Rego, P. V. S. Marques, H. M. Salgado, J. L. Santos, “Sampled Fibre Bragg Grating Sensors for
Simultaneous Strain and Temperature Measurement”, Electronics Letters, 38 (14), 693-695, July 2002.
2. P. S. André, J. L. Pinto, I. Abe, H. J. Kalinowski, O. Frazão, F. M. Araújo, “Fibre Bragg Grating for Telecommunications
Applications: Tuneable Thermally Stress Enhanced OADM”, Journal of the Microwave and Optoelectronics, 2 (3), 32-45, July 2001.
1. O. Frazão, P. Tavares, J. Ferreira da Rocha, L. Botelho Ribeiro, "Tunable Optical Oscillator Based on a DFB Laser and Fibre Loop
Reflector", in IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 46 (6), 1341-1342, November 1999.
NATIONAL JOURNALS
11. O. Frazão, M. B. Marques, Novos avanços utilizando “random” lasers em fibra óptica, 34 (1), Gazeta da Física, p. 29-32, Janeiro
2011. (In Portuguese).
10. L. M. N. Amaral, O. Frazão, M. B. Marques, M. Lima, A. Teixeira, “Polarization Mode Dispersion Measurements using LowCoherence Interferometry”, Revista do Departamento de Electrónica e Telecomunicações da Universidade de Aveiro, Janeiro de
2010. (In English).
9. R. Falate, O. V. Ivanov, O. Frazão, G. Rego, "Investigation of spectra of phase shifted long-period fiber gratings", Radio-electronic
engineering: collection of papers, Ulyanovsk: ULSTU, 2008, 10, p.23-28. (In Russian).
8. R. Falate, O. V. Ivanov, O. Frazão, G. Rego, "Measurement of bending and temperature using phase shifted long-period fiber
gratings", Radio-electronic engineering: collection of papers, Ulyanovsk: ULSTU, 2008, 10, p. 74-79. (In Russian).
7. R. de Oliveira, C. A. Ramos, O. Frazão, A. T. Marques, “Aplicação de sensores em fibra óptica embebidos para a monitorização
da saúde de estruturas compósitas”, Mecânica Experimental. 14, 89-97, 2007. (In Portuguese).
6. A. Vieira, O. Frazão, C. Novo, J. A. Simões, “Sensores Bragg em Fibra Óptica para a Determinação de Extensões em Aplicações da
Biomecânica”, Mecânica Experimental. 10, 147-154, 2004. (In Portuguese).
5. M. J. N. Lima, O. Frazão, A. L. J. Teixeira, P. S. B. André, J. R. Ferreira da Rocha, “Thermally Tunable Bragg Grating Filtrers for
Wavelength-Multiplexed Systems”, Revista do Departamento de Electrónica e Telecomunicações da Universidade de Aveiro,
Setembro de 2002. (In English).
4. O. Frazão, F. M. Araújo, C. Novo, A. N. Costa, A. Torres Marques, “Roseta Extensómétrica Óptica Rectangular”, Mecânica
Experimental, 8, 109-112, 2002. (In Portuguese).
3. O. Frazão, F. M. Araújo, L. A. Ferreira, J. L. Santos, F. Farahi, “Sensores de Bragg em Fibra Óptica para Monitorização Simultânea
de Temperatura e Deformação em Estruturas Inteligentes e Materiais Compósitos”, Mecânica Experimental, 5, 63-67, 2000. (In
Portuguese).
2. P. Tavares, J. Ferreira da Rocha, L. B. Ribeiro, O. Frazão, A. F. Cunha, “Auto-pulsação em Lasers de semicondutor por bloqueio de
modos e por injecção”, Revista do Departamento de Electrónica e Telecomunicações da Universidade de Aveiro, 2 (6), 739-748,
Setembro 1999. (In Portuguese).
1. O. Frazão, P. Tavares, A. F. Cunha, L. B. Ribeiro, J. Ferreira da Rocha, “Extracção Óptica de Relógio para Redes de Elevado
Débito”, Revista do Departamento de Electrónica e Telecomunicações da Universidade de Aveiro, 2 (4), 5-10, Janeiro de 1999. (In
Portuguese).
INTERNATIONAL CONFERENCES
H. F. Martins, S. Martin-Lopez, P. Corredera, M. L. Filograno, O. Frazão, M. González-Herráez, High visibility phase-sensitive optical
time domain reflectometer for distributed sensing of ultrasonic waves, 5 EWOFS, Cracow, Poland, 19-22 May 2013.
H. F. Martins, S. Martin-Lopez, P. Corredera, P. Salgado, O. Frazão, M. González-Herráez, Fading in phase-sensitive optical time
domain reflectometry induced by modulation instability, 5 EWOFS, Cracow, Poland, 19-22 May 2013.
J. P. P. Moura, S. O. Silva, M. Becker, M. Rothardt, H. Bartelt, O. Frazão, Optical inclinometer based on phase-shifted Bragg grating
in a taper configuration, 5 EWOFS, Cracow, Poland, 19-22 May 2013.
L. Rodriguez-Cobo, A. T. Marques, J. M. Lopez-Higuera J. L. Santos, O Frazão, Simplified sensor design for temperature-strain
discrimination using Fiber Bragg Gratings embedded in laminated composite, 5 EWOFS, Cracow, Poland, 19-22 May 2013.
M. S. Ferreira, J. Bierlich, K. Schuster, J. L. Santos, O. Frazão, Microcavity Tip Temperature Sensor based on Post-Processing, 5
EWOFS, Cracow, Poland, 19-22 May 2013.
R. M. André, J. Kobelke, K. Schuster, M. B. Marques, O. Frazão, Parallel Fabry-Pérot in suspended twin-core fiber, 5 EWOFS,
Cracow, Poland, 19-22 May 2013.
R. M. André, M. Becker, K. Schuster, M. Rothardt, H. Bartelt, M. B. Marques, O. Frazão, Hi-Bi Triangular Optical Nanowire in
Suspended-Core Fiber for Sensing Applications, 5 EWOFS, Cracow, Poland, 19-22 May 2013.
S. O. Silva, L. Coelho, O. Frazão, An all-fiber Fabry-Pérot interferometer for CO2, O2 and N2 gas pressure sensing, 5 EWOFS,
Cracow, Poland, 19-22 May 2013.
163. R. M. Silva, A. Layeghi, M. I. Zibaii, H. Latifi, J. L. Santos, A. B. Lobo Ribeiro, O. Frazão, Interrogation System Based on “Figureof-Eight” Fiber Loop Mirror, 22nd International Conference on Optical Fiber Sensors (OFS-22), Beijing, China, 15 -19 October 2012.
162. R. M. Silva, G. Chesini, C. J. Gouveia, A. B. Lobo Ribeiro, O. Frazão, C. M. B. Cordeiro and P. A. S. Jorge, Magnetic field sensor
with Terfenol D thin-film coated FBG, 22nd International Conference on Optical Fiber Sensors (OFS-22), Beijing, China, 15 -19
October 2012.
161. S. Silva, L. Coelho, R. M. André, O. Frazão, New Spatial Optical Filters for Gas Refractometry, 22nd International Conference
on Optical Fiber Sensors (OFS-22), Beijing, China, 15 -19 October 2012.
160. R. A. Perez-Herrera, R. M. André, S. F. Silva, M. Becker, K. Schuster, J. Kobelke, M. Lopez-Amo, J. L. Santos, O. Frazão,
Simultaneous Measurement of Strain and Temperature Based on Clover Microstructured Fiber Loop Mirror, 22nd International
Conference on Optical Fiber Sensors (OFS-22), Beijing, China, 15 -19 October 2012.
159. M. I. Zibaii, S. Nouri, J. Sadeghi, H. Latifi, P. A. S Joge, K. Schuster, J. Kobelke, O. Frazao, Temperature-independent pressure
sensor using triangular-shape of Suspended-Core fiber, 22nd International Conference on Optical Fiber Sensors (OFS-22), Beijing,
China, 15 -19 October 2012.
158. P. A. R. Tafulo, L. Coelho, P. A. S. Jorge, J. L. Santos, K. Schuster, J. Kobelke, O. Frazão, Simultaneous Measurement of Partial
Pressure of O2 and CO2 using Hybrid interferometer, 22nd International Conference on Optical Fiber Sensors (OFS-22), Beijing,
China, 15 -19 October 2012.
157. R. M. André, C. R. Biazoli, S. O. Silva, M. B. Marques, C. M. B. Cordeiro, O. Frazão, Multimode interference in tapered single
mode-multimode-single mode fiber structures for strain sensing applications, 22nd International Conference on Optical Fiber
Sensors (OFS-22), Beijing, China, 15 -19 October 2012.
156. A. Layeghi, M. I. Zibaii, J. Sadeghi, O. Frazão, P. A. S. Jorge, H. Latifi, Sensing characteristics of tapered High-Birefringent
optical fiber, 22nd International Conference on Optical Fiber Sensors (OFS-22), Beijing, China, 15 -19 October 2012.
155. J. L. Santos ; Susana Silva; L. A. Ferreira ; F. M. Araújo ; O. Frazão, Multimode interference as a tool for fiber sensing, Proc.
SPIE 8370, Fiber Optic Sensors and Applications IX, 83700B, 1 May, 2012.
154. R. M. Silva, A. B. Lobo Ribeiro, J. L. Santos, O. Frazão, A novel highly birefringent fiber loop mirror sensor based on a 3×3
coupler, SPIE Europe 2012, Brussels, Belgium, 16-19 April 2012.
153. Ricardo M. André, Susana O. Silva, Martin Becker, Kay Schuster, M. Rothardt, H. Bartelt, Manuel B. Marques, Orlando Frazão,
Strain Characterization of Suspended-Core Fiber Tapers, SPIE Europe 2012, Brussels, Belgium, 16-19 April 2012.
152. Hugo Martins, Manuel B. Marques Pedro Jorge, Cristiano M. B. Cordeiro, Orlando Frazão, Intensity Curvature Sensor based
on Photonic Crystal Fiber with Three Coupled Cores, SPIE Europe 2012, Brussels, Belgium, 16-19 April 2012.
151. M. Bravo, O. Frazão, J. M. Baptista, J. L. Santos, M. López-Amo, New interrogation technique for multiplexing LPG-fiber loop
mirrors based displacement sensors using an OTDR, IEEE Sensors 2011 Conference, Limerick, IRELAND, 28-31 October 2011.
150. O. Frazão, New Sensing Configurations Based on High-birefringent Fiber Loop Mirror, 7th International Workshop on Fibre
Optics and Passive Components, Montreal, Canada, July 13-15, 2011. (INVITED talk).
149. M. S. Ferreira, J. C. Vieira, Frias, O. Frazão, Strain and temperature discrimination using FBG sensors embedded in hybrid
composite laminates, 16th International Conference on Composite Structures (ICCS16), Porto, Portugal, June 28-30 2011. (ORAL
presentation).
148. H. Martins, M. B. Marques, O. Frazão, Comparison between two different configurations of Brillouin-Raman comb fiber laser,
7ª Reunión Española de Optoelectrónica, OPTOEL’11, Santander, Spain, 29 June-1 July, 2011.
147. O. Frazão, R. M. Silva, J. L. Santos, High-Birefringent Fiber Loop Mirror with an Output Port Probe for Sensing Applications,
21st International Conference on Optical Fiber Sensors, Ottawa, Canada, May 15-19, 2011. (ORAL presentation).
146. H. F. Martins, M. B. Marques, O. Frazão, Temperature-Independent Strain Sensor based on Four-Wave Mixing using Raman
FBG Laser Sensor with Cooperative Rayleigh Scattering, 21st International Conference on Optical Fiber Sensors, Ottawa, Canada,
May 15-19, 2011.
145. M. K. Szczurowski, O. Frazão, J. M. Baptista, K. Nielsen, O. Bang, W. Urbańczyk, Sensing characteristics of birefringent
microstructured polymer optical fiber, 21st International Conference on Optical Fiber Sensors, Ottawa, Canada, May 15-19, 2011.
144. M. S. Ferreira, J. M. Baptista, P. Roy, R. Jamier, S. Février, O. Frazão, Highly-Birefringent Photonic Bandgap Bragg Fiber Loop
Mirror for Sensing Applications, 21st International Conference on Optical Fiber Sensors, Ottawa, Canada, May 15-19, 2011.
143. S. Silva, J. L. Santos, F. X. Malcata, J. Kobelke, K. Schuster, O. Frazão, Multimodal Interference Based on Large-core Air-clad
Photonic Crystal fibres for Simultaneous Measurement of Multiparameters, 21st International Conference on Optical Fiber Sensors,
Ottawa, Canada, May 15-19, 2011.
142. C. Jesus, P. A. S. Jorge, J. M. Baptista, O. Frazão, Cladding modes FBG curvature sensor based on a core misaligned splice, 21st
International Conference on Optical Fiber Sensors, Ottawa, Canada, May 15-19, 2011.
141. C. Jesus, P. A. S. Jorge, J. M. Baptista, O. Frazão, Temperature-independent curvature sensor using FBG cladding modes based
on a core misaligned splice, International Conference on Applications of Optics and Photonics (AOP'2011), Braga, Portugal, 2011.
140. M. S. Ferreira, R. M. Silva, O. Frazão, Torsion sensor based on a high-birefringent Sagnac loop interferometer, International
Conference on Applications of Optics and Photonics (AOP'2011), Braga, Portugal, 2011.
139. Susana Silva, J. L. Santos, F. X. Malcata, O. Frazão, A Simple Interrogation Technique for Refractive Index Measurement using
Multimode Interference, International Conference on Applications of Optics and Photonics (AOP'2011), Braga, Portugal, 2011.
(ORAL presentation).
138. R. M. Silva, O. Frazão, New interrogation system for a strain Sensor based on a High Birefringent Fiber Loop Mirror,
International Conference on Applications of Optics and Photonics (AOP'2011), Braga, Portugal, 2011.
137. R. M. Silva, M. S. Ferreira, O. Frazão, Chirped Bragg Grating Fabry Perot Interferometer for Nanostrain Measurement,
International Conference on Applications of Optics and Photonics (AOP'2011), Braga, Portugal, 2011.
136. C. R. da Silveira, J. P. Carvalho, J. C. W. A. Costa, E. L. Carvalho Junior, D.O Figueiredo, P. A. S. Jorge, O. Frazão, Interferometric
optical fiber inclinometer with dynamic FBG based interrogation, International Conference on Applications of Optics and Photonics
(AOP'2011), Braga, Portugal, 2011.
135. L. Coelho, O. Frazão, J. L. Santos, T. Restivo, J. Marques, Optical Fibre Pressure Sensors for Small Scale Studies of
Groundwater Flow, International Conference on Applications of Optics and Photonics (AOP'2011), Braga, Portugal, 2011.
134. L. Coelho, Susana Silva, O. Frazão, F.X. Malcata, J. L. Santos, Optical fibre Hydrogen sensors coated with Palladium,
International Conference on Applications of Optics and Photonics (AOP'2011), Braga, Portugal, 2011.
133. H. F. Martins, M. B. Marques, O. Frazão, Brillouin Stokes comb generated in a distributed fiber Raman amplifier, International
Conference on Applications of Optics and Photonics (AOP'2011), Braga, Portugal, 2011.
132. M. I. Zibaii, P. A. S. Jorge, O. Frazão and H. Latifi, Controlling the sensitivity of a Non-adiabatic tapered optical fiber for
measuring the refractive index using all fiber Sagnac loop Interferometer, International Conference on Applications of Optics and
Photonics (AOP'2011), Braga, Portugal, 2011.
131. Susana Silva, J. Viegas, J. L. Santos, L. A. Ferreira, F. M. Araújo, O. Frazão, Fiber optic sensors based on multimode interference
The International Conference on Fiber Optics and Photonics 2010, Guwahati, India, 11-15 December 2010. (INVITED talk).
130. O. Frazão, Photonic Crystal Fibres for Sensing Applications, The 3rd WSEAS International Conference on SENSORS and SIGNALS
(SENSIG '10), Faro, Portugal, 3-5 November 2010. (ORAL presentation).
129. J. P. Carvalho, L. Coelho, O. Frazão, J. L. Santos, Electrical Dynamic Interrogation System for Long Period Gratings, The 3rd
WSEAS International Conference on SENSORS and SIGNALS (SENSIG '10), Faro, Portugal, 3-5 November 2010. (ORAL presentation).
128. O. Frazão, L. M. N. Amaral, J. L. Santos, P. Roy, R. Jamier, S. Février, Simultaneous Measurement of Strain and Temperature
using Modal Interferometry in Bragg Fibers, II Workshop on Specialty Optical Fibers and Their Applications (WSOF), Oaxaca, Mexico
13-15 October 2010. (ORAL presentation).
127. J. L. Santos, L. A. Ferreira, F. M. Araújo, O. Frazão, Fibre Optic Modal Interferometry for Sensing Applications, II Workshop on
Specialty Optical Fibers and Their Applications (WSOF), Oaxaca, Mexico 13-15 October 2010. (INVITED Talk).
126. O. Frazão, S. F. O. Silva, J. L. Santos, J. Kobelke, K. Schuster, All Fibre Mach-Zehnder Interferometer Based on Suspended TwinCore Fibre for Simultaneous Measurement of Three Parameters, II Workshop on Specialty Optical Fibers and Their Applications
(WSOF), Oaxaca, Mexico 13-15 October 2010.
125. A. M. R. Pinto, O. Frazão, J. L. Santos, M. Lopez-Amo, Multiwavelength Raman Fiber Laser based on a Highly Birefringent
Photonic Crystal Fiber Loop Mirror, II Workshop on Specialty Optical Fibers and Their Applications (WSOF), Oaxaca, Mexico 13-15
October 2010.
124. A. M. R. Pinto, O. Frazão, J. L. Santos, M. Lopez-Amo, J. Kobelke, K. Schuster, Suspended-core Fabry-Perot Temperature
Sensor Interrogation Throug a Dual Wavelength Raman Fiber Laser, EWOFS 2010 - Four European Workshop on Optical Fibre
Sensors, Porto. Portugal, 8-10 September 2010.
123. C. Correia, J. M. Baptista, M. B. Marques, O. Frazão, A Raman intensity sensor induced by the Rayleigh scattering in a ring
configuration, EWOFS 2010 - Four European Workshop on Optical Fibre Sensors, Porto. Portugal, 8-10 September 2010.
122. C. Jesus, O. Frazão, P. A. S. Jorge, J. M. Baptista, Optical refractometer based on High birefringence Bragg grating structure
combined in Fabry-Perot cavity, EWOFS 2010 - Four European Workshop on Optical Fibre Sensors, Porto. Portugal, 8-10 September
2010.
121. D. Viegas, J. P. Carvalho, L. Coelho, J. L. Santos, F. M. Araújo, O. Frazão, Remote Interrogation System for a Long Period
Grating coupled to an optical source, EWOFS 2010 - Four European Workshop on Optical Fibre Sensors, Porto. Portugal, 8-10
September 2010.
120. E. Simões, I Abe, J. Oliveira, J. L. Pinto, P. Caldas, O. Frazão, Characterization of nanolayer LPG refractometer consonant
surrounding refractive index, EWOFS 2010 - Four European Workshop on Optical Fibre Sensors, Porto. Portugal, 8-10 September
2010.
119. J. P. Carvalho, L. Coelho, L. Correia, O. Frazão, P. A. S. Jorge, J. M. Baptista, I. Dias, J. L. Santos, J. Weyl, M. J. Pontes, M. A.
Martinez, A. P. Barbero, R. M. Ribeiro, A. J. G. Abelém, M. T. R. Giraldi, Dynamic Interrogation of Long Period Gratings with
Modulated Fibre Bragg Gratings, EWOFS 2010 - Four European Workshop on Optical Fibre Sensors, Porto. Portugal, 8-10
September 2010.
118. L. M. N. Amaral, O. Frazão, J. L. Santos, A. B. Lobo Ribeiro, Optical inclinometer based on fibre-taper-modal Michelson
interferometer, EWOFS 2010 - Four European Workshop on Optical Fibre Sensors, Porto. Portugal, 8-10 September 2010.
117. P. A. R. Tafulo, O. Frazão, P. A. S. Jorge, L. A. Ferreira, F. M. Araújo, Intrinsic Fabry-Perot cavity based on chemical etching in a
multimode graded index fiber spliced to a single mode fiber, EWOFS 2010 - Four European Workshop on Optical Fibre Sensors,
Porto. Portugal, 8-10 September 2010.
116. P. Caldas, P. A. S. Jorge, G. Rego, O. Frazão, J. L. Santos, L. A. Ferreira, F. M. Araújo, Fibre Optic Hot-Wire Flowmeter Based on
a Metallic Coated Hybrid LPG-FBG Structure, EWOFS 2010 - Four European Workshop on Optical Fibre Sensors, Porto. Portugal, 810 September 2010.
115. R. M. André, M. B. Marques, P. Roy, O. Frazão, Fibre Loop Mirror Using a Small core Microstructured Fibre for the
Simultaneous Measurement of Strain and Temperature, EWOFS 2010 - Four European Workshop on Optical Fibre Sensors, Porto.
Portugal, 8-10 September 2010.
114. R. M. Silva, J. Kobelke, K. Schuster, O. Frazão, Temperature and Strain Independent Torsion Sensor using a Sagnac
Interferometer based on a Suspended Twin-core Fibre, EWOFS 2010 - Four European Workshop on Optical Fibre Sensors, Porto.
Portugal, 8-10 September 2010.
113. R. B. Queirós, S. O. Silva, M. G. F. Sales, J. P. Noronha, O. Frazão, G. G. Aguilar, J. L. Santos, Optical Cavity Fiber Sensor for
Detection of Microcystin-LR in Water, EWOFS 2010 - Four European Workshop on Optical Fibre Sensors, Porto. Portugal, 8-10
September 2010.
112. S. E. U. Lima, O. Frazão, R. G. Farias, F. M. Araújo, L. A. Ferreira, V. Miranda, J. L. Santos, Fibre Laser Sensor Based on a PhaseShifted Chirped Grating for Acoustic Sensing of Partial discharges in Power Transformers, EWOFS 2010 - Four European Workshop
on Optical Fibre Sensors, Porto. Portugal, 8-10 September 2010.
111. S. H. Aref, M. Zibaii, M. Kheyri, H. Porbeyram, H. Latifi, O Frazão, F. M. Araújo, L. A. Ferreira, J. L. Santos, J. Kobelke, K.
Schuster, All-fiber Interferometric Configurations based on Suspended-Core Fibers for Pressure Measurement, EWOFS 2010 - Four
European Workshop on Optical Fibre Sensors, Porto. Portugal, 8-10 September 2010.
110. S. O. Silva, O. Frazão, L. A. Ferreira, F. M. Araújo, F. X. Malcata, J. L. Santos, Temperature- and Strain-Independent Curvature
Sensor Based on Multimode Interference, EWOFS 2010 - Four European Workshop on Optical Fibre Sensors, Porto. Portugal, 8-10
September 2010.
109. Luís M. N. Amaral, D. A. Pereira, O. Frazão, M. B. Marques, M. J. N. Lima, A. L. J. Teixeira, A low-coherence interferometry
system for first-order PMD Detection and Compensation, 15th European Conference on Networks and Optical Communications,
NOC/OC&I 2010, Faro-Algarve, Portugal, 8-10 June 2010.
108. C. Frias, O.Frazão, J. A. Simões, A.T. Marques, In-Vitro application of Fibre Bragg granting sensors networks in the structural
health monitoring of a hip prosthesis, Biosensors 2010, 20th Anniversary World Congress on Biosensors, Glasgow, UK, 26-28 May
2010.
107. J. P. Carvalho, G. Statkiewicz-Barabach, A. Anuszkiewicz. O. Frazão, J. Wojcik, J. M. Baptista, J. L. Santos, W. Urbanczyk,
Sensing characteristics of long period gratings and rocking filters based on highly birefringent boron doped photonic crystal fiber
and fabricated by a CO2 laser, SPIE Photonics Europe, Brussels, Belgium, 12-16 April 2010. (ORAL presentation).
106. O.Frazão, J. M. Baptista, P. Roy, R. Jamier and S. Février, Bragg Fibre for Sensing Applications, SPIE Photonics Europe, Brussels,
Belgium, 12-16 April 2010. (ORAL presentation).
105. O.Frazão, J. M. Baptista, J. L. Santos, Jens Kobelke, Kay Schuster, Sagnac interferometer based on a suspended twin-core
fibre, SPIE Photonics Europe, Brussels, Belgium, 12-16 April 2010. (ORAL presentation).
104. J. L. Santos, O. Frazão, J. M. Baptista, P. A. S. Jorge, I. Dias, F. M. Araújo, L.A. Ferreira, “Optical Fibre Sensing Networks”,
SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference 2009, Belém do Pará, Brasil, 3-6 November 2009.
(INVITED talk).
103. M. T. M. Rocco Giraldi, A. M. Rocha, B. Neto, C. Correia, M. E. V. Segatto, M. J. Pontes, A. P. L. Barbero, J. C. W. Costa, M. A. G.
Martinez, O. Frazão, J. M. Baptista, H. M. Salgado, M. B. Marques, A. L. J. Teixeira, P. S. André, Brillouin Effects in Distributed
Raman Amplifiers under Saturated Conditions, SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference 2009,
Belém do Pará, Brasil, 3-6 November 2009. (ORAL presentation).
102. S. E. U. Lima, O. Frazão, R. G. Farias, F. M. Araújo, L. A. Ferreira, J. L. Santos, V. Miranda. Fiber Fabry-Perot Sensors for
Acoustic Detection of Partial Discharges in Transformers, SBMO/IEEE MTT-S International Microwave and Optoelectronics
Conference 2009, Belém do Pará, Brasil, 3-6 November 2009. (ORAL presentation).
101. O. Frazão, C. Jesus, J. M. Baptista, J. L. Santos, P. Roy, Temperature independent torsion sensor based on a two-LP-mode
operation in ultra high-birefringent photonic crystal fiber, 20th International Conference on Optical Fibre Sensors, Edinburgh,
Scotland, 5 – 9 October 2009.
100. C. Jesus, S. F. O. Silva, M. Castanheira, G. González Aguilar, O. Frazão, P. A. S. Jorge, J. M. Baptista, Interferometric Fibre-Optic
Sensor For Acetic Acid Measurement, 20th International Conference on Optical Fibre Sensors, Edinburgh, Scotland, 5 – 9 October,
2009.
99. O. Frazão, J. M. Baptista, J. L. Santos, J. Kobelke, K. Schuster, Fabry–Perot cavity sensing structure based on a suspended-core
fibre, 20th International Conference on Optical Fibre Sensors, Edinburgh, Scotland, 5 – 9 October 2009. (ORAL presentation).
98. S. H. Aref, O. Frazão, P. Caldas, L. A. Ferreira, F. M. Araújo, J. L. Santos, H. Latifi, J. Ballato, T. Her, F. Farahi, Strain and
Temperature Characterization of Interferometric Sensors Based on ARROW Fibers, 20th International Conference on Optical Fibre
Sensors, Edinburgh, Scotland, 5 – 9 October 2009.
97. S. H. Aref, R. Amezcua-Correa, J. P. Carvalho, O Frazão, P. Caldas, J. L. Santos, F. M. Araújo, F. Farahi, H. Latifi, L. A. Ferreira, J. C.
Knight, Sensing Characteristics of Hollow-Core Photonic Crystal Fibre Modal Interferometers, 20th International Conference on
Optical Fibre Sensors, Edinburgh, Scotland, 5 – 9 October 2009.
96. V Richter-Trummer, D Peixoto, PMGP Moreira, S. F. O. Silva, O Frazão, PMST de Castro, Calibration of FBG Sensors for
measurement of Temperature and Deformation using Thermal stresses. 3rd International Conference on Integrity, Reliability &
Failure, Porto, Portugal, 20- 24 July 2009. (ORAL presentation).
95. S. F. O. Silva, O. Frazão, J. L. Santos, L. A. Ferreira, F. M. Araújo, Strain Characterization of Fibre Bragg Grating Structures with
Fused Tapers, 3rd International Conference on Integrity, Reliability & Failure, Porto, Portugal, 20- 24 July 2009. (ORAL
presentation).
94. O. Frazão, C. Frias, C. Novo, I. Dias, J. M. Baptista, A. T. Marques, Novel sensing head geometry based on smart composite with
embedded FBGs for strain and temperature discrimination, International Conference Smart Structures and Materials (SMART’09),
Porto, Portugal, 13-15 July 2009. (ORAL presentation).
93. V. Richter-Trummer, S. M. O. Tavares, D. F. C. Peixoto,P. M. G. P. Moreira, S. F. Silva, O. Frazão, P. M. S. T. de Castro, Integral
lightweight structures: Damage tolerance and welding monitoring using FBG sensors, Third International Conference on Advances
and Trends in Engineering Materials and their Applications, Montréal, Canada, July 6 - 10, 2009. (ORAL presentation).
92. O. Frazão, J. M. Baptista, J. L. Santos, J. Kobelke, K. Schuster, Recent advances in interferometry using suspended core fibres,
11th International Conference on Transparent Optical Networks, Island of São Miguel, Azores, Portugal, June 28 - July 2, 2009.
(INVITED talk).
91. L. M. N. Amaral, D. A. Pereira, O. Frazão, M. B. Marques, M. J. N. Lima, A. L. J. Teixeira, Low-Coherence Interferometry for
Measuring Polarization Mode Dispersion, 11th International Conference on Transparent Optical Networks, Island of São Miguel,
Azores, Portugal, June 28 - July 2, 2009.
90. C. Novo, C. Frias, J. Esteves, O. Frazão, F. Neto, Monitoring of a RTM prototype using fiber Bragg grating sensors, 15th
International Conference on Composite Structures (ICCS 15), Porto, Portugal, 15-17 June 2009. (ORAL presentation).
89. C. Frias, H. Faria, P. Vieira, O. Frazão, A. Torres Marques, Analysis of the behavior of the composite overwrapped pressure
vessel under cyclic pressure loading using embedded FBG sensors, 15th International Conference on Composite Structures (ICCS
15), Porto, Portugal, 15-17 June 2009. (ORAL presentation).
88. O. Frazão, S. O. Silva, C. Frias, J. M. Baptista, A. T. Marques, Curvature sensor based on a fibre Bragg grating embedded in a
laminated composite, 15th International Conference on Composite Structures (ICCS 15), Porto, Portugal, 15-17 June 2009. (ORAL
presentation).
87. L. A. Fernandes, M. Becker, O. Frazão, M. Rothhardt, S. Brückner, K. Schuster, J. Kobelke, J. L. Santos, P. V. S. Marques,
Temperature and Strain Characterization of Bragg Gratings Impressed with Femtosecond Laser Radiation in Suspended-Silica-Core
Fibers, Photonics North, Quebec, Canada, 24-27 May 2009.
86. P. Tomczyk, J. Olszewski, O. Frazão, J. M. Baptista, J. L. Santos, W. Urbanczyk, Numerical analysis of a three sector photonic
crystal fiber for curvature sensing applications, 3rd Integrated Optics - Sensors, Sensing Structures and Methods, 23-26 February
2009.
85. O. Frazão, P. Jorge, J. M. Baptista, J. L. Santos, “Optical refractometer based on a Hi-Bi D-type fiber loop mirror”, IEEE Sensors
Conference 2008, Lecce, Italy, 26-29 October 2008.
84. D. Egypto, L. Aragão Bittencourt, M. T. M. R. Giraldi, O. Frazão, M. B. Marques, “Filtro WDM Sintonizável Baseado no Espelho
em Anel com Fibra Dopada com Érbio e de Alta Birrefringência”, MOMAG 2008, 13° Simpósio Brasileiro de Microondas e
Optoeletrônica e o 8° Congresso Brasileiro de Eletromagnetismo, Santa Catarina, Brasil, 7 - 10 de September2008.
83. M. B. Marques, F. Magalhães, J. P. Carvalho, O. Frazão, F. M. Araújo, J. L. Santos, L. A. Ferreira, “Recent Advances on Optical
Sensing Using Photonic Cristal Fibers,” 1st Workshop on Specialty Optical Fibers and their ApplicationsS. Pedro, Brasil, 20-22 August
2008. (INVITED talk).
82. I. Dias, R. Oliveira, O. Frazão, “Intelligent optical sensors using artificial neural network approach,” BASYS 2008 - 8th IFIP
International Conference on Information Technology for Balanced Automation Systems, 23-25 June 2008. (ORAL presentation).
81. O. Frazão, J. M. Baptista, J. L. Santos, P. Roy, “Curvature Sensor based on a Fibre Loop Mirror using a Highly Birefringent
Photonic Crystal Fibre with two Asymmetric Hole Regions”, 19th International Conference Optical fibre Sensors Conference, Perth
Australia, 14th-18th April, 2008.
80. S. F. O. Silva, O. Frazão, P. Caldas, J. L. Santos, F .M. Araújo, L. A. Ferreira, “Fibre Refractometer based on a Fabry-Pérot
Interferometer”, 19th International Conference Optical fibre Sensors Conference, Perth Australia, 14th-18th April, 2008.
79. R. A. Perez-Herrera, D. A. Pereira, O. Frazão, J. M. Castro Ferreira, J. L. Santos, F .M. Araújo, L. A. Ferreira, J. M. Baptista, M.
Lopez-Amo, “Frequency modulated continuous wave technique for referencing and multiplexing intensity based fibre optic
sensors”, 19th International Conference Optical fibre Sensors Conference, Perth Australia, 14th-18th April, 2008.
78. S. E. U. Lima, O. Frazão, F. M. Araújo, L. A. Ferreira, V. Miranda, J. L. Santos, “Fibre Fabry-Perot sensor for acoustic detection”,
19th International Conference Optical fibre Sensors Conference, Perth Australia, 14th-18th April, 2008.
77. A. Guerreiro, M. B. Marques, O. Frazão, “Kin Crytography for secure key distribution,” 2nd Workshop on Low-Dimensional
Structures: Properties and Applications, Aveiro Portugal, 31t-1 February, 2008.
76. J. L. Santos, O. Frazão, P. Caldas, G. Rego, F. M. Araújo, L. A. Ferreira, “Novel Fibre Optic Based Structures for Sensing
Applications”, XXV Simpósio Brasileiro de Telecomunicações (SBrT'07), Recife-Pernambuco Brasil, de 03 - 06 September de 2007.
(INVITED talk).
75. O. Frazão, L. Marques, J. Marques, J. M. Baptista, J. L. Santos, INESC Porto, “Temperature independent strain/load sensor using
a highly birefringent photonic crystal fibre loop mirror”, EWOFS 2007 - Third European Workshop on Optical Fibre Sensors, 4 a 6 de
July, 2007, Nápoles, Itália.
74. O. Frazão, L. Marques, J. Marques, J. M. Baptista, J. L. Santos, “Temperature independent strain/load sensor using a highly
birefringent photonic crystal fibre loop mirror”, EWOFS 2007 - Third European Workshop on Optical Fibre Sensors, 4 a 6 de July,
2007, Nápoles, Itália.
73. O. Frazão, P. Caldas, J. L. Santos, F. M. Araújo, L. A. Ferreira, “Modal interferometer based on a single non-adiabatic fibre
taper”, EWOFS 2007 - Third European Workshop on Optical Fibre Sensors, 4 a 6 de July, 2007, Nápoles, Itália.
72. J. P. Carvalho, F. Magalhães, O. V. Ivanov, O. Frazão, F. M. Araújo, L. A. Ferreira, J. L. Santos, “Evaluation of coupling losses in
hollow-core photonic crystal fibres”, EWOFS 2007 - Third European Workshop on Optical Fibre Sensors, 4 a 6 de July, 2007,
Nápoles, Itália.
71. O. Frazão, D. A. Pereira, J. L. Santos, N. Vaz, J. M. Dias, J. F. Lopes, M. Teixeira, A. Quintela, J. Ferreira, L. A. Ferreira, F. M.
Araújo, “Industrialization of advanced optical technologies for environmental monitoring”, NATO/CCMS Pilot Study on Clean
Products and Processes, 5-9 de May 2007. (ORAL presentation).
70. A. Vieira, R. de Oliveira, O. Frazão, C.A. Ramos, A.T. Marques, Effect of the fibre coating and grating length on the answer of
fibre Bragg grating sensors embedded in thermoset polymer composites, IV International Materials Symposium, Porto, Portugal, 14 April 2007.
69. C. Frias, O. Frazão, A. Vieira, J Simões, A. Torres Marques, Mechanical characterization of bone cement using fibre Bragg
sensors, IV International Materials Symposium, Porto, Portugal, 1-4 April 2007.
68. O. Frazão, J. L. Santos, L. A. Ferreira, F. M. Araújo, L. C. Guedes Valente, Intensity-referenced Sensing System for Refractive
index Measurement. 18th International Conference on Optical Fiber Sensors, Cancún, México, October 23-27, 2006.
67. O. Frazão, J. M. Marques, J. L. Santos, M. B. Marques and J. M. Baptista, Brillouin fibre laser sensor for strain and temperature
discrimination, 18th International Conference on Optical Fiber Sensors, Cancún, México, October 23-27, 2006. (ORAL presentation).
66. O. Frazão, R. Falate, J. L. Fabris, J. L. Santos, L. A. Ferreira, F. M. Araújo, Fibre Optic Inclinometer Based on the Combination of a
Long-Period Grating and a Fused Taper. 18th International Conference on Optical Fiber Sensors, Cancún, México, October 23-27,
2006.
65. R. Falate, O. Frazão, G. Rego, O. Ivanov, H. J. Kalinowski, J. L. Fabris, J. L. Santos, Bend Sensing with Arc-Induced Phase-Shifted
Long-Period Fiber Grating. 18th International Conference on Optical Fiber Sensors, Cancún, México, October 23-27, 2006.
64. J. M. Baptista, J. M. Marques, O. Frazão, S. Santos, J. L. Santos and M. B. Marques, Optical Fibre Intensity Sensor Referenced by
Stimulated Brillouin Scattering. 18th International Conference on Optical Fiber Sensors, Cancún, México, October 23-27, 2006.
63. S. F. O. Silva, O. Frazão, J. L. Santos, L. A. Ferreira, F. M. Araújo, Temperature-independent Strain Measurement Using a Fibre
Bragg grating Written in an Array Fused Taper. 18th International Conference on Optical Fiber Sensors, Cancún, México, October 2327, 2006.
62. N. M. P. Pinto, O. Frazão, R. Romero, A. Costa, PMD Emulator/Compensator Device Combine FBGs Written in Two Different
Types of Optical Fibers. ICTON 2006, Nottingham, United Kingdom, June 18-22, 2006.
61. J. M. Baptista, S. F. Santos, G. Rego, O. Frazão, J. L. Santos, Measurement of Angular Rotation using a Long Period Fiber Grating
in a Self-Referenced Fiber Optic Intensity Sensor, 18th Annual Meeting of the IEEE Lasers & Electro-Optics Society, Sydney,
Australia, 23 - 27 October 2005.
60. O. Frazão, M. Melo, R. Romero, P. V. S. Marques, F. M. Araújo, L. A. Ferreira, J. L. Santos, Short in-fibre Bragg grating structure
for simultaneous measurement of strain and temprature. 17th International Conference on Optical Fibre sensors, Bruges, Belgium,
23-27 May, 2005. Proceedings of SPIE Vol. 5855, pp. 755-758.
59. O. Frazão, D. A. Pereira, J. L. Santos, F. M. Araújo and L. A. Ferreira, Strain and temperature discrimination using a Hi-Bi grating
exposed to partially etched cladding. 17thInternational Conference on Optical Fibre sensors, Bruges, Belgium, 23-27 May, 2005.
Proceedings of SPIE Vol. 5855, pp. 755-758.
58. S. F. O. Silva, O. Frazão, J. L. Santos, In situ cure monitoring of composite laminated using fibre Bragg grating sensors, III
International Materials Symposium, Aveiro, March 20 to 23, 2005.
57. C. A. Ramos, O. Frazão, I. Dias, A. T. Marques, Behaviour of composite laminated with optical fibre sensor during the cure
process. III International Materials Symposium, Aveiro, March 20 to 23, 2005.
56. R. Oliveira, O. Frazão, J. L. Santos, A. T. Marques, Development of an optic fibre sensor system for acoustic emission sensing in
FRP, III International Materials Symposium, Aveiro, March 20 to 23, 2005.
55. R. Romero, O. Frazão, F. Floreani, L. Zhang, P. V. S. Marques, H. M. Salgado, Chirped Fibre Bragg Grating Based Multiplexer and
Demultiplexer, IASTED International Conference on Communications Systems and Networks (CSN 2004), Marbella, Spain, 01-03
September, 2004.
54. O. Frazão, R. Romero, F. M. Araujo, L. A. Ferreira, J. L. Santos, Simultaneous Measurement of Temperature and Strain Using a
Step Spectrum Profile Fibre Bragg Grating Arrangement, EWOFS 2004 - Second European Workshop on Optical Fibre Sensors,
Santander, Spain, 9-11 June 2004.
53. O. Frazão, G. Rego, F. M. Araújo, L. A. Ferreira, H. M. Salgado, J. L. Santos, Simultaneous Measurement of Strain and
Temperature Based on Polarization Loss Properties of Arc-Induced Long Period Gratings, EWOFS 2004 - Second European
Workshop on Optical Fibre Sensors, Santander, Spain, 9-11 June 2004.
52. R. Romero, O. Frazão, D. A. Pereira, H. M. Salgado, F. M. Araújo, L. A. Ferreira, “Intensity-referenced temperature-independent
curvature sensing concept based on chirped gratings embedded in a composite laminate”, EWOFS 2004 - Second European
Workshop on Optical Fibre Sensors, Santander, Spain, 9-11 June 2004.
51. E. Luquina, O. Frazão, L. A. Ferreira, F. M. Araújo, M. López-Amo, J. L. Santos, “High-Resolution Absolute-Distance
Measurements Using Multiple Tunable Fiber Bragg Gratings”, EWOFS 2004 - Second European Workshop on Optical Fibre Sensors,
Santander, Spain, 9-11 June 2004.
50. D. J. Barros, A. P. Almeida, F. S. Pinto, J. P. Carvalho, O. Frazão, H. M. Salgado, “Four-wave mixing in photonics crystal fibres for
wavelength conversion in optical networks”, London Communications Symposium, London, 13-14 September 2004.
49. A. Vieira, O. Frazão, C. Novo, J. A. Simões, “Fiber grating sensors for strain measurements in biomechanics Applications”, 14th
European Society of Biomechanics conference (ESB2004), 's-Hertogenbosch, Netherlands, 4-7 July 2004.
48. C. Novo, A. N. Costa, M. Sousa, A. T. Marques, O. Frazão, I. Dias, "Smart Composite Plates for Health Monitoring of a Boat
Structure", 11th European Conference on Composite Materials, May 31 June 3, 2004. Rhodes, Greece.
47. C. Novo, A. N. Costa, M. Sousa, A. Torres Marques, O. Frazão, I. Dias, “Smart Composite Plates for Health Monitoring of a Boat
Structure”, 25th International Sampe Europe Conference, March 30-April 1, 2004, Portes des Versailles, France, pp. 113-118.
46. J. M. Baptista, O. Frazão, L. A. Ferreira, F. M. Araújo, J. L. Santos, A. S. Lage: "Load Cell for Structural Monitoring based on a
Microbend Self-Referenced Fiber Optic Intensity Sensor", 16th Annual Meeting of the IEEE Lasers & Electro-Optics Society, Tucson,
USA, 5-9 October, 2003.
45. R. Oliveira, O. Frazão, J. Ferreira, J. L. Santos, A. Torres Marques, “Damage monitoring in composite materials using an optical
fibre acoustic emission sensor” 3rd International Conference of Hellenic Society of Non-Destrutive Testing HSNT on Non-Destrutive
Testing NDT, Chania - Crete, October 2003.
44. O. Frazão, R. Romero, J. L. Santos, “Simultaneous Measurement of Temperature and Strain using a Ring Fibre Bragg Grating
Sensor”, 16th International Conference on Optical Fiber Sensors, Nara, Japan, October 13-17, 2003.
43. I. Abe, O. Frazão, R. N. Nogueira, H. J. Kalinowski, J. L. Pinto and J. L. Santos, “Three-parameter simultaneous measurement
using superimposed Bragg Gratings in high-birefringence optical fibers”, 16th International Conference on Optical Fiber Sensors,
Nara, Japan, October 13-17, 2003.
42. M. Melo, O. Frazão, R. Romero, P. André, P. V. S. Marques, J. L. Santos, “Evaluation of Spectral Response in Fibre Bragg Grating
Written in Tapering of Single Mode Optical Fibre”, International Microwave and Optoelectronics Conference IMOC 2003, Iguazu
Falls, Brazil, September 20 – 23, 2003.
41. I. Abe, O. Frazão, H. J. Kalinowski, M. W. Schiller, R. N. Nogueira, J. L. Pinto, “Characterization of Bragg Gratings in Normal and
Reduced Diameter Hi-Bi Fibers” International Microwave and Optoelectronics Conference IMOC 2003, Iguazu Falls, Brazil,
September 20 – 23, 2003.
40. M. J. N. Lima, A. L. J. Teixeira, P. S. André, J. R. Ferreira da Rocha, O. Frazão, “Fiber Bragg Gratings with Variable Negative Mean
Index Change”, International Microwave and Optoelectronics Conference IMOC 2003, Iguazu Falls, Brazil, September 20 – 23, 2003.
39. R. Romero, H. M. Salgado, O. Frazão, P. V. S. Marques and J. L. Santos, “Spectral response of chirped fibre Bragg gratings
written in Erbium doped fibres”, BGPP 2003 Bragg Gratings Photosensitivity and Poling in Glass Waveguides, California, USA,
September 1–3, 2003.
38. I. Terroso, J. P. Carvalho, O. Frazão, M. B. Marques, H. M. Salgado, “Wavelength Conversion based on Four-wave mixing in a
ring laser” London Communications Symposium 2003, London, England, September 8–9, 2003.
37. N. Costa, C. Novo, M. Sousa, A. Torres Marques, O. Frazão, I. Dias, “Fibre Bragg Grating Sensors for RTM Process Monitoring
and Composite Structures Health Monitoring”, The fourth Canadian International composite Conference, Ottawa, Canada, August
19-22, 2003.
36. R. Romero, O. Frazão, F. Floreani, L. Zhang, P. V. S. Marques, H. M. Salgado, “Multiplexers and Demultiplexers based on Fibre
Bragg Gratings and Optical Circulators for DWDM Systems”, HSNMC'03 - 6th IEEE International Conference on High Speed
Networks and Multimedia Communications, Estoril, Portugal, on July 23-25, 2003.
35. M. J. N. Lima, A. L. J. Teixeira, O. Frazão, P. S. B. André, J. R. Ferreira da Rocha, “Thermal Behavior of Bragg Gratings Formed in
Germanosilicate Fiber”, Proceeding of SPIE nº5036, pp. 187-192, Jul. 2003.
34. A. Novo, A. N. Costa, M. Sousa, A. Torres Marques, O. Frazão, I. Dias, “Health Monitoring of a Boat Structure with a Sensor
Bragg Network”, II International Materials Symposium, Caparica, Portugal, April 14-16, 2003.
33. M. J. N. Lima, A. L. J. Teixeira, J. R. Ferreira da Rocha, P. S. André, J. L. Pinto, O. Frazão, “Unchirped Fiber Bragg Grating for
Simultaneous Filtering and Dispersion Compensation in Wavelength-Multiplexed Systems”, 10th International Conference on
Telecommunications ICT'2003, Tahiti, Papeete, French Polynesia, February 23 - March 1, 2003.
32. H. J. Kalinowski, I. Abe, R. Nogueira, J. Lemos Pinto, S. P. A. Osório, O. Frazão, J.L. Santos, “Characterisation of Bragg Gratings
written in High Birefringence Fibre Optic for Sensor Applications” PHOTONICS 2002- Sixth International Conference on
Optoelectronics, Fiber Optics and Photonics, 16-18 December, Mumbai, Maharashtra, India, 2002.
31. I. Abe, M. W. Schiller, R. N. Nogueira, P. Lopes, O. Frazão, J. L. Santos, J. L. Pinto and H. J. Kalinowski, “Characterization of FBGs
Written in HiBi IEC Fibre for Multi-parameter Sensors”, 15th Annual Meeting of the IEEE Lasers and Electro-Optics Society, 10 - 14
November 2002, Glasgow, Scotland.
30. M. Melo, A. Teixeira, O. Frazão, L. Gomes, M. Lima, C. Santos, D. Pereira, F. Rocha, H. M. Salgado, “Widely Tunable L-band
Erbium Doped Fiber Ring Laser by Means of Induced Cavity Loss Control”, 15th Annual Meeting of the IEEE Lasers and ElectroOptics Society, Glasgow, 10 - 14 November 2002, Glasgow, Scotland.
29. I. Abe, M. W. Schiller, P. Lopes, R. Nogueira, A. J. Fernandes, O. Frazão, J. L. Pinto e H. J. Kalinowski, W. Acchar “Sensor a Fibra
ótica para Caracterização Simultânea de Deformação Transversal e Temperatura”, CBECIMAT 2002 Congresso Brasileiro de
Engenharia e Ciência dos Materiais, 9-13 de Novembro 2002, Natal, Brasil.
28. I. Abe, M. W. Schiller, R. Nogueira, P. Lopes, O. Frazão, J. L. Santos, J. L. Pinto and H. J. Kalinowski, “Simultaneous Measurement
of Transverse strain and Temperature using FBG Wrtitten in HI-BI Fiber”, SOFM 2002, Symposium on Optical Fiber Measurements,
September 24-26, 2002, Boulder Colorado, USA.
27. P. J. S Cruz, D. A. Pereira, O. Frazão, J. L. Santos, and A. Güemes, “Fiber Optic Sensing of Steel Bolts”, Eurosteel – 3rd European
Conference of Steel Structures, 19-20 September, Coimbra, Portugal.
26. O. Frazão, J. P. Carvalho, I. Terroso, V. Barbosa, H. M. Salgado, “A Novel Architecture of an Optical Cross-connect Based on
Tuneable Fibre Bragg Gratings and Optical Circulators”, London Communications Symposium 2002, 9-10 September 2002, London,
England. (ORAL presentation).
25. A. Teixeira, A. Santos, D. Pereira, M. Lima, P. André, J. R. Ferreira da Rocha, M. Melo, O. Frazão, L. Gomes, H. Salgado, “Effects
of Multiple C-Band Pumping on the L-Band EDFA Gain Profile”, GOWN 2002, Global Optical and Wireless Network 2002, 25-28
September 2002, Skiathos Island, Greece.
24. I. Abe, R. Nogueira, J. L. Pinto, O. Frazão, J. L. Santos, H. J. Kalinowski, “Análise espectral de FBGs Escritas em fibras HiBi”. X
Simpósio Brasileiro de Microondas e Optoelectrónica, 12-16 Agosto 2002, Recife, Brasil.
23. A. Teixeira, M. Melo, C. Santos, D. Pereira, M. Lima, P. André, O. Frazão, L. A. Gomes, H. Salgado, J. R.Ferreira da Rocha,
“Effects of C Band optical pumping on the performance of L band Erbium Doped Fiber Amplifiers”. TELEC 2002 - International
Conference Telecommunication, Electronics and Control 2002, 17-19 July 2002, Santiago de Cuba, Cuba.
22. R. Romero, O. Frazão, G. Rego, P. V. S. Marques, H. M. Salgado, “Sampled Fibre Gratings Fabrication using Electric Arc and
Their Applications”. Photosensitivity in Optical Waveguides and Glasses, 17-21 June 2002, Saint Petersburg, Russia.
21. G. Rego, R. Romero, O. Frazão, P. V. S. Marques, H. M. Salgado, “Apodization of Uniform Fibre Bragg Grating using Electric Arc
Discharges”, IEEE/LEOS Workshop on Fibre and Optical Passive Components 2002, 5-6 June 2002, Glasgow, Scotland.
20. C. Novo, A. Nicolau Costa, M. Sousa, A. Vieira, A. Torres Marques. O. Frazão, J. Ferreira, I. Dias, “Monitoring RTM Process and
the Structure in Service Using Fibre Bragg Grating Sensors” 23rd SAMPE Europe International Conference 2002, 9-11 April 2002,
Paris, France. (ORAL presentation).
19. M. J. N. Lima, A. L. J. Teixeira, O. Frazão, P. S. B. André, J. R. Ferreira da Rocha, “Thermal behavior of Bragg gratings formed in
germanosilicate fiber”. 4th International Conference on Photonics, Devices and Systems, proceedings of SPIE 5036, 26-29 May 2002,
Prague, Czech Republic.
18. A. Teixeira, M. Lima, O. Frazão, J. R. Ferreira da Rocha, “Fiber Bragg Grating for Telecommunications”, 3rd International
Conference on Transparent Optical Networks 2001, pp. 127-130, 18-21 June 2001, Cracow, Poland. (INVITED TALK).
17. O. Frazão, N. Correia, F. M. Araújo, C. Novo, A. N. Costa, A. Vieira, A. Torres Marques, “Smart Composite for Monitoring of
Structure”, International Conference Composites in Constructions, pp. 767-770, 10-12 October 2001, Porto, Portugal. (ORAL
presentation).
16. J. M. Baptista, O. Frazão, C. Félix, L. A. Ferreira, F. M. Araújo, J. L. Santos, A. Lage, J. A. Figueiras, “Novel Microbend Optical
Fibre Sensor with Composite as a Load Cell for Structural Monitoring”, International Conference Composites in Constructions, pp.
761-765, 10-12 October 2001, Porto, Portugal.
15. O. Frazão, G. Rego, M. Lima, A. Teixeira, F. M. Araújo, P. André, J. F. da Rocha, H. M. Salgado, “EDFA Gain Flattening Using
Long-Period Fibre Gratings Based on the Electric Arc Technique”, London Communications Symposium 2001, pp. 55-57, 10-11
September 2001, London, England. (ORAL presentation).
14. N. Costa, C. Novo, A. Vieira, N. Correia, A. Torres Marques, O. Frazão, F. M. Araújo, I. Dias, “Cycle Time Optimisation of RTM
Process with Optical Fibre Bragg Sensors”, 13th International Conference on Composite Material, 25-29 June 2001, Beijing, China.
13. G. Rego, O. Frazão, F. M. Araújo, V. Soulimov, “Long-period Fiber Grating Produced using the Electric Arc Technique for DWDM
Communication Systems” SCI/ISAS 2001-5th World Multi-Conference on Systemics, Cybernetics and Informatics/7th International
Conference on Information Systems Analysis and Synthesis 2001, pp. 178-180, 22-25 July 2001, Orlando, USA. (ORAL
presentation).
12. C. Novo, N. Correia, A. N. Costa, A. Vieira, A. Torres Marques, O. Frazão, F. M. Araújo, I. Dias, “Flow Front Monitoring in RTM
Process Using Fibre Bragg Grating Sensors”, 22nd International SAMPE Europe Conference, 27-29 March, 2001, Paris, France. (ORAL
presentation).
11. O. Frazão, N. Correia, C. Novo, A. Vieira, A. N. Costa, F. M. Araújo, A. Torres Marques, "Optical Fibre Embedded in a Composite
Laminate with Applications to Sensing", Bianisotropics 2000, pp. 289-292, 27-29 September, 2000, Lisbon, Portugal.
10. C. Novo, O. Frazão, A. N. Costa, A. Vieira, N. Correia, I. Dias, F. M. Araújo, A. Torres Marques, “Progression Monitoring of the
Flow Front in RTM Process Using Fibre Bragg Grating Sensors”, 14th International Conference on Optical Fibre Sensors, pp. 808-901,
11-13 October, 2000, Venice, Italy.
9. N. Costa, C. Novo, A. Torres Marques, O. Frazão, F. M. Araújo, I. Dias, "Monitoring the RTM Process through Optical Fibers",
Conference on Mechanics, Materials and Design 2000, pp. 94-95, 29-31 May, 2000, Orlando, USA.
8. P. Tavares, O. Frazão, A. F. Cunha, L. Ribeiro, J. R. Ferreira da Rocha, "Experimental Results on High Bit Rate Optical
Symchronization of RZ Soliton Type Signals", XVIII Congress of the International Commission for Optics, Proceedings of SPIE 3749,
pp. 158-159, 2-6 August, 1999, San Francisco, USA.
7. O. Frazão, P. Tavares, A. F. Cunha, L. Ribeiro, J. R. Ferreira da Rocha, "Continuous Frequency Control from 5 to 10 GHz of an
Optical Oscillator", in Proceedings of 13th European Frequency and Time Forum / 1999 IEEE International Frequency Control
Symposium, pp. 244, 13-16 April 1999, Besançon, France.
6. O. Frazão, P. Tavares, A. F. Cunha, L. Ribeiro, J. R. Ferreira da Rocha, "Continuous Frequency Control from 5 to 10 GHz of an
Optical Oscillator", 53rd Annual Frequency Control Symposium, Vol. 2, pp. 602-603, Apr. 1999.
5. J. R. Ferreira da Rocha, P. Tavares, O. Frazão, P. Monteiro, P. S. André, A. Teixeira, M. Lima, A. N. Pinto, A. Gameiro, R. Ribeiro, L.
Ribeiro, A. F. Cunha, J. L. Pinto, M. R. Ferreira, M. Pousa, "Research of the Optical Communications Groups at University of Aveiro
and Institute of Telecommunications – Aveiro Pole", in Proceedings of SPIE, Vol. 3572, pp. 568-579, Aug. 1998.
4. P. Tavares, O. Frazão, A. F. Cunha, L. Botelho Ribeiro, J. R. Ferreira da Rocha, "High Bit Rate Optical Syncronisation of RZ Signals
using External Cavity DFB Lasers", in Proceedings of SPIE, Vol. 3572, pp. 405-409, Aug. 1998.
3. O. Frazão, A. F. Cunha, P. Tavares, L. Ribeiro, J. R. Ferreira da Rocha, "Modelling of a 4×10Gbps All-Optical Clock Extraction
Systems", 5th IEEE/International Conference on Electronics, Circuits and Systems-ICECS’98, pp. 541-544, 7-10 September 1998,
Lisbon, Portugal.
2. P. Tavares, O. Frazão, A. F. Cunha, L. Ribeiro, J. R. Ferreira da Rocha, "Optical Synchronisation of RZ Signal Using External Cavity
DFB Laser", III RIAO – 3thIbero – American Optics Meeting and OPTILAS’98, 26 Sept-2 Oct, 1998, Cartagena de Índias, Colombia.
1. A. Teixeira, G. Alves, J. Ferreira, J. P. Madaleno, J. Madaleno, O. Frazão, P. Jesus, P. André, P. Tavares, "General overview on the
research activities on ITA", Euroconference on Advanced Heterostruture Devices for Micro and Optoelectronics III, 21-28 June,
1998, Torino, Italy.
NATIONAL CONFERENCES
L.C. Coelho, D. Viegas, O. Frazão, J.L. Santos, "Hydrogen sensor based on fibre Bragg gratings with palladium coatings", Física 2012
- Física 2012, September 2012.
R.M. Silva, C. Araújo, S. Mendonça, O. Frazão, A. B. Lobo Ribeiro, "Sensor ótico de campo magnético para aplicações médicas",
Física 2012 - Física 2012, September 2012.
P. Roriz Oliveira, O. Frazão, J. Simões, J.L. Santos, "Pressure sensors based on optical fibre for biomedical and biomechanical
applications" (in portuguese), Física 2012 - Física 2012, September 2012.
M.S. Ferreira, J.L. Santos, O. Frazão, "Optical sensors based on silica tubes" (in portuguese), Física 2012 - Física 2012, September
2012.
125. R. M. André, O. Frazão, Nanowires in Optical Fibers, IJUP 2011, 4rd Meeting of Young Researchers of U. Porto, Porto, 17 a 19
de Fevereiro de 2011.
124. H. F. Martins, M. B. Marques, O. Frazão, Strain Sensor based on Four-Wave Mixing using Raman Fiber Bragg Grating Laser
Sensor with Cooperative Rayleigh Scattering, IJUP 2011, 4rd Meeting of Young Researchers of U. Porto, Porto, 17 a 19 de Fevereiro
de 2011.
123. L. Amaral, D. A. Pereira, O. Frazão, M. B.Marques, M. J. N. Lima, A. L. J. Teixeira, Compensation of Polarization Mode
Dispersion with Low-Coherence Interferometry, SEON 2010 - Symposium on Enabling Optical Networks and Sensors, Porto,
Portugal, 2010.
121. L. C. Gonçalves, O. Frazão, P. Jorge, J. M. Baptista, J. L. Santos, Differential interferometric sensing system with digital control
for high sensitivity measurement of strain and temperature, SEON 2010 - Symposium on Enabling Optical Networks and Sensors,
Porto, Portugal, 2010
120. Paula Alexandra Tafulo, Orlando Frazão, Pedro Jorge, José Luís Santos, Francisco Araújo, Fabrication of optical fiber
microcavities by chemical etching for sensing applications, SEON 2010 - Symposium on Enabling Optical Networks and Sensors,
Porto, Portugal, 2010.
119. Raquel Barbosa Queirós, Susana Oliveira Silva, Orlando Frazão, J. P. Noronha, Paulo Vicente Marques, M. Goreti Sales, Fibre
Optic Fabry-Pérot Biosensor for detection of Microcystin-LR, SEON 2010 - Symposium on Enabling Optical Networks and Sensors,
Porto, Portugal, 2010.
118. Carlos Jesus Gouveia, Orlando Frazão, Pedro Jorge, José Manuel Baptista, Fibre optics refractometer based in Bragg grating
Fabry-Perot cavity, SEON 2010 - Symposium on Enabling Optical Networks and Sensors, Porto, Portugal, 2010.
117. Joel Pedro Carvalho, Luís Carlos Coelho, Orlando Frazão, José Luís Santos, Long Period Gratings Dynamic Electrical
Interrogation Scheme, SEON 2010 - Symposium on Enabling Optical Networks and Sensors, Porto, Portugal, 2010.
116. Susana Oliveira Silva, Orlando Frazão, Luís Alberto Ferreira, Francisco Araújo, F. X. Malcata, José Luís Santos, Refractive Index
Fiber Optic Sensor Based on Multimode Interference, SEON 2010 - Symposium on Enabling Optical Networks and Sensors, Porto,
Portugal, 2010.
115. Ricardo Manuel Silva, Orlando Frazão, J. Kobelke, K. Schuster, Temperature Independent Torsion Sensor using a fibre loop
mirror based on a Suspended Twin-core Fibre, SEON 2010 - Symposium on Enabling Optical Networks and Sensors, Porto, Portugal,
2010.
114. N. Freitas, Orlando Frazão, José Manuel Baptista, José Luís Santos, Sensor de Pressão com uma Fibra Hetero-core, Física 2010,
Vila Real, Portugal, 2010.
113. P. A. Tafulo, O. Frazão, P. Jorge, F. M. Araújo, ModificaçÃo de fibras ópticas por ataque químico para aplicações sensoras,
Física 2010, Vila Real, Portugal, 2010.
112. R. M. Silva, O. Frazão, Sensor de torção Interferométrico baseado numa fibra com dois núcleos suspensos, Física 2010, Vila
Real, Portugal, 2010.
111. R. B. Queirós, S. O. Silva, O. Frazão, J. P. Noronha, P. V. Marques, M. G. Sales, Sensor em Fibra Óptica para Detecção de
Microcystin-LR, Física 2010, Vila Real, Portugal, 2010.
110. L. Amaral, D. A. Pereira, O. Frazão, M. B. Marques, M. J. N. Lima, A. L. J. Teixeira, Sistema de Detecção e Compensação de
PMD Baseado em Interferometria de Baixa Coerência, Física 2010, Vila Real, Portugal, 2010.
109. R. M. André, O. Frazão, M. B. Marques, High-Birefringent Fibre Loop Mirror for Sensor Applications, IJUP’10, 3rd Meeting of
Young Researchers of U. Porto, Porto, 17-19 Fevereiro 2010.
108. Martin Becker, L. Fernandes, O. Frazão, J. Bergmann, S. Bruckner, E. Lindner, M.Rothhardt, P.S. Marques and H. Bartelt,
Beyond Photosensitivity? Fiber-Bragg-Grating Inscription with UV Femtosecond Laser Radiation. SEONs VII - VII Symposium on
Enabling Optical Networks and Sensors, Lisboa, 26 Junho de 2009.
107. S. E. U. Lima, O. Frazão, R. G. Farias, F. M. Araújo, L. A. Ferreira, J. L. Santos and V. Miranda, Extrinsic Fiber Fabry-Perot Sensor
for Acoustic Detection of Partial Discharges in Transformers, SEONs VII - VII Symposium on Enabling Optical Networks and Sensors,
Lisboa, 26 Junho de 2009.
106. L. M. N. Amaral, D. A. Pereira, O. Frazão, M. B. Marques, M. J. N. Lima, A. L. J. Teixeira, Measurement of Polarization Mode
Dispersion with Low-Coherence Interferometry, SEONs VII - VII Symposium on Enabling Optical Networks and Sensors, Lisboa, 26
Junho de 2009.
105. J. E. C. Velosa, C. Gouveia, O. Frazão, P.A. S. Jorge, J. M. Baptista, J. L. Santos, System for interrogation of interferometric
optical fiber sensors with digital control. SEONs VII - VII Symposium on Enabling Optical Networks and Sensors, Lisboa, 26 Junho de
2009.
104. V. Richter-Trummer, S. O. Silva, O. Frazão, S. M. O. Tavares, P. M. G. P. Moreira, P. M. S. T. de Castro, Strain calibration of FBG
sensors at constant temperature, 15.º Encontro Nacional do Colégio de Engenharia Mecânica, Guimarães, 13-14 de Fevereiro de
2009.
103. C. Frias, O. Frazão, J. Simões, A. T. Marques, “Caracterização mecânica da interface de uma componente femoral de um
implante de anca cimentado com FBG”, 3º Congresso nacional de Biomecânica, Bragança, Fevereiro 2009.
102. L. Fernandes, O. Frazão, J. L. Santos, P. V. S. Marques, Fibre Bragg gratings in suspended core fibres, MAP-Fis PhD Research
Conference 2008/2009, Braga, 16-17 de Janeiro 2009.
101. S. F. O. Silva, O. Frazão, L. A. Ferreira, F. M. Araújo, J. L. Santos, “Interrogation of a Fibre Fabry-Pérot Interferometer Using a
π-Shifted Bragg Grating”, 16 Conferência nacional de Física 2008, 3-6 de Setembro 2008.
100. A. Guerreiro, O. Frazão, M. B. Marques “Novo esquema de distribuição de chaves criptográficas”, 16 Conferência nacional de
Física 2008, 3-6 de Setembro 2008.
99. C. Frias, O. Frazão, S. Mendonça, J. Simões, A.T. Marques, “In-situ monitoring of the mechanical stress of a femoral prosthesis
FBG sensors and piezoelectric sensors”, 16 Conferência nacional de Física 2008, 3-6 de Setembro 2008.
98. S. Mendonça, C. Frias, O. Frazão, J.Cruz, P. Simeão Carvalho, “Electric Investigation of PVDF using New Signal Treatment
Technique”, 16 Conferência nacional de Física 2008, 3-6 de Setembro 2008.
97. C. Correia, O. Frazão, J. M. Baptista, M. B. Marques, Amplificação Raman usando um laser de alta potência”, 16 Conferência
nacional de Física 2008, 3-6 de Setembro 2008.
96. C. Correia, O. Frazão, J. M. Baptista, J. L. Santos, M. B. Marques, “Sensor de nível baseado em num laser em fibra numa
configuração em anel”, 16 Conferência nacional de Física 2008, 3-6 de Setembro 2008.
95. S. E. U. Lima, O. Frazão, J. L. Santos, “Sensor em fibra óptica para detecção acústica de descargas parciais em transformadores
de potência”. 16 Conferência nacional de Física 2008, 3-6 de Setembro 2008.
94. S. Mendonça, A. Guerreiro, P. Simeão Carvalho, O. Frazão, “Electrically tunable liquid-crystal in Optical Fibre”, 16 Conferência
nacional de Física 2008, 3-6 de Setembro 2008.
93. N. Sooraj Hussain, P. Jorge, O. Frazão, J. L. Santos, "Synthesis and Optical Properties of Laser Glass doped with Nd3+ ion”, 16
Conferência nacional de Física 2008, 3-6 de Setembro 2008.
92. R. A. Perez-Herrera, O. Frazão, J. M. Castro Ferreira, J. L. Santos, F .M. Araújo, L. A. Ferreira, J. M. Baptista, M. Lopez-Amo,
“Frequency modulated continuous wave technique for optical fibre sensors”, 16 Conferência nacional de Física 2008, 3-6 de
Setembro 2008.
91. C. Correia, O. Frazão, P. Caldas, J. M. Baptista, M. B. Marques, J. L. Santos, “Phase-wavelength conversion using a ring fibre
laser with a pair of long period gratings”, SEON VI - VI Symposium on Enabling Optical Networks and Sensors, Porto, 20 Junho de
90. A. Guerreiro, O. Frazão, M.B. Marques, “KIN Cryptography”, SEON VI - VI Symposium on Enabling Optical Networks and
Sensors, Porto, 20 Junho de 2008.
89. C. Frias, O. Frazão, J. A. Simões, A. T. Marques, “Crack zone identification in a cemented femoral implant using Bragg grating
structure”, SEON VI - VI Symposium on Enabling Optical Networks and Sensors, Porto, 20 Junho de 2008.
88. S. E. U. Lima, O. Frazão, L. A. Ferreira, F. M. Araújo, J. L. Santos, “Fibre Fabry-Perot sensor for acoustic partial discharge
detection”, SEON VI - VI Symposium on Enabling Optical Networks and Sensors, Porto, 20 Junho de 2008.
87. N. S. Hussain, P. Jorge, O. Frazão, and J. L. Santos, “Absorption, Emission and Upconversion Spectral profiles of Er3+ doped
Lithium - Boro – Tellurite Glasses”, SEON VI - VI Symposium on Enabling Optical Networks and Sensors, Porto, 20 Junho de 2008.
86. R. A. Perez-Herrera, O. Frazão, J. L. Santos, F .M. Araújo, L. A. Ferreira, J. M. Baptista, M. Lopez-Amo, "Amplification to enhance
a FMCW system for referencing intensity fibre optic sensors”, SEON VI - VI Symposium on Enabling Optical Networks and Sensors,
Porto, 20 Junho de 2008.
85. S. F. O. Silva, O. Frazão, J. L. Santos, F. M. Araújo, L. A. Ferreira, “Fibre Fabry-Pérot Interferometer used as a Refractometer”,
SEON VI - VI Symposium on Enabling Optical Networks and Sensors, Porto, 20 Junho de 2008.
84. B. V. Marques, O. Frazão, S. Mendonca, J. Perez, M. B. Marques, S. F. Santos, J. M. Baptista, Thermal Current Sensor based on
Metal Coated Hi-Bi Fiber Loop Mirror. SEONS 2007 - V Symposium on Enabling Optical Networks and Sensors, Aveiro, 29 de Junho,
2007.
83. D. Viegas, O. Frazão, P. A. S. Jorge, M. Girão, J. Viegas, L.A. Ferreira, F. M. Araújo, J. L. Santos, High Resolution Optomechanical
System for Micro-optical Devices, SEONS 2007 - V Symposium on Enabling Optical Networks and Sensors, Aveiro, 29 de Junho,
2007.
82. J. P. Carvalho, F. Magalhães, O. Frazão, J. L. Santos, F. M. Araújo, L. A. Ferreira. Hollow-core photonic crystal fibres for gas
sensing applications, SEONS 2007 - V Symposium on Enabling Optical Networks and Sensors, Aveiro, 29 de Junho, 2007.
81. S. E. U. Lima, O. Frazão, L. A. Ferreira, F. M. Araújo, J. L. Santos, Acoustic Mandrel in a Bragg Grating Sensor to Partial Discharge
Detection, SEONS 2007 - V Symposium on Enabling Optical Networks and Sensors, Aveiro, 29 de Junho, 2007.
80. S. F. O. Silva, O. Frazão, L. A. Ferreira, F. M. Araújo, J. L. Santos, Interrogation of a Fibre Fabry-Pérot Cavity using a pi-Shifted
Grating, SEONS 2007 - V Symposium on Enabling Optical Networks and Sensors, Aveiro, 29 de Junho, 2007.
79. C. Frias, O. Frazão, J. A. Simões, A. Torres Marques, Detecção das zonas de fractura no manto de cimento ósseo num implante
femoral por processo de interferometria óptica. 2º Encontro Nacional de biomecânica, Évora, Portugal, 8 e 9 de Fevereiro, 2007.
78. D. Viegas, N. M. P. Pinto, R. Romero, O. Frazão, A. Costa. Birefringence effect in uniform fibre Bragg gratings. 15ª Conferência
Nacional de Física, 4-7 de Setembro 2006 Aveiro.
77. D. Viegas, N. M. P. Pinto, R. Romero, O. Frazão, A. Costa. Differential group delay induced in uniform fibre Bragg gratings, 15ª
Conferência Nacional de Física, 4-7 de Setembro 2006 Aveiro.
76. J. M. Marques, O. Frazão, J. L. Santos, M. B. Marques e J. M. Baptista. Espalhamento estimulado de brillouin sem e com
realimentação. 15ª Conferência Nacional de Física, 4-7 de Setembro 2006 Aveiro.
75. J. P. Carvalho, O. Frazão, R. Romero, M. B. Marques and H. M. Salgado. Fibre gratings switshing behaviour based on high
power laser diodes. 15ª Conferência Nacional de Física, 4-7 de Setembro 2006 Aveiro.
74. L. M. Marques, O. Frazão, J. M. Baptista, J. L. Santos. Sensor de fibra óptica baseado numa rede período longo e espelho em
anel. 15ª Conferência Nacional de Física, 4-7 de Setembro 2006 Aveiro.
73. C. Silva, S. F. Silva, P. Caldas, O. Frazão, J. M. P. Coelho, J. L. Santos. Sensor óptico para medição de índice de refracção em
líquidos usando redes de periodo longo. 15ª Conferência Nacional de Física, 4-7 de Setembro 2006 Aveiro.
72. O. Frazão, R. Falate, J. L. Santos, L. A. Ferreira, F. M. Araújo. Interferometers based on long period fibre gratings. 15ª
Conferência Nacional de Física, 4-7 de Setembro 2006 Aveiro.
71. Susana F. O. Silva, O. Frazão, L. A. Ferreira, F. M. Araújo, J. L. Santos. Fabry-Perot cavities using fibre Bragg gratings. 15ª
Conferência Nacional de Física, 4-7 de Setembro 2006 Aveiro.
70. J. L. Silva, O. Frazão, H. Crespo and L. M. Bernardo, Supercontinuum generation and frequency conversion in photonic crystal
fibers near a zero dispersion wavelength. SEON 2006 – Symposium on Enabling Optical Networks, Porto, 16 June 2006.
69. J. M. Marques, O. Frazão, J. L. Santos, M. B. Marques, J. M. Baptista, Brillouin Fibre Laser Sensor. SEON 2006 – Symposium on
Enabling Optical Networks, Porto, 16 June 2006.
68. L. M. Marques, O. Frazão, S. Santos, J. M. Baptista High-birefringence fibre loop mirrors combined with grating technology and
their application as sensors. SEON 2006 – Symposium on Enabling Optical Networks, Porto, 16 June 2006.
67. J. P. Carvalho, O. Frazão, R. Romero, M. B. Marques and H. M. Salgado, Fibre Bragg grating switch based on thermal changes
induced by high power laser diodes. SEON 2006 – Symposium on Enabling Optical Networks, Porto, 16 June 2006.
66. N.M.P. Pinto, O. Frazão, R. Romero, A. Costa, Tunable PMD Emulator/Compensator Scheme Combining a Hi-Bi FBG and a
Stress Induced Birefringence FBG. SEON 2006 – Symposium on Enabling Optical Networks, Porto, 16 June 2006.
65. J. M. Baptista, S. F. Santos, O. Frazão, J. L. Santos. “Self-Referenced Fibre Optic Intensity Sensors”. Física 2005, 1-3 Dezembro
2005.
64. O. Frazão, J. P. Carvalho, R. Romero, F. M. Araújo, L. A. Ferreira, H. M. Salgado, M. B. Marques, J. L. Santos, “Redes de Bragg em
fibra óptica e suas aplicações como elemento sensores e em comunicações ópticas”. Física 2005, 1-3 Dezembro 2005.
63. O. Frazão, J. P. Carvalho, H. M. Salgado, J. L. Santos. “Fibras ópticas microestruturadas e suas aplicações em sensores e
telecomunicações”. Física 2005, 1-3 Dezembro 2005.
62. J. P. Carvalho, O.Frazão, R. Romero, M. B. Marques, H. M. Salgado, “Técnicas e arquitecturas de comutação totalmente óptica
em redes de multiplexagem densa por comprimento de onda”, Terceiras Jornadas de Engenharia de Electrónica e
Telecomunicações e de Computadores, Lisboa, Portugal, 17 e 18 de Novembro de 2005.
61. J. M. Dias, N. Vaz, R. Nolasco, J. L. Santos, M. Teixeira, O. Frazão, A. Soares, J. F. Lopes, F. Santos. “Monitorização de Sistemas
Costeiros: Desenvolvimento e Aplicação de Tecnologias Inovadoras”, III Congresso Sobre Planejamento e Gestão da Zona Costeira
dos Países de Expressão Portuguesa, CD-ROM, Maputo, Moçambique, 2005.
60. S. F. O. Silva, O. Frazão, J. B. Almeida, J. L. Santos, M. T. Restivo, “Monitorização do processo de fabrico de placas compósitas
usando sensores de Bragg em fibra ópticas”, 6 congresso de APAET, Ponta Delgada 27-29, Julho 2005.
59. R. de Oliveira, C. A. Ramos, O. Frazão, A. T. Marques, “Monitorização da integridade de estruturas compósitas com sensores
em fibra óptica”, 6 congresso de APAET, Ponta Delgada 27-29, Julho 2005.
58. A. Ferreira dos Santos, O. Frazão, S. F. Santos, J. M. Baptista, “Transversal strain measurement using a microbend fibre optic
sensor referenced by Brillouin effect”, SEON 2005 - III Symposium on Enabling Optical Networks, Aveiro, 27 June 2005.
57. R. Falate, O. Frazão, G.Rego, J. L. Fabris, and J. L. Santos, “Phase-Shifted Long-Period Fiber Gratings based on Electric-Arc
Discharges”, SEON 2005 - III Symposium on Enabling Optical Networks, Aveiro, 27 June 2005.
56. A. Morais, P. de Lima, O. Frazão and H. M. Salgado, “Twin Fibre Bragg Gratings for Tuneable Dispersion Compensation”, SEON
2005 - III Symposium on Enabling Optical Networks, Aveiro, 27 June 2005.
55. A. Monteiro, J. Sá, I. Dias, D. A. Pereira, J. Ferreira, O. Frazão, J. L. Santos, “Remote monitoring of Ria de Aveiro with optical
fiber Bragg gratings and wireless technologies”, SEON 2005 - III Symposium on Enabling Optical Networks, Aveiro, 27 June 2005
54. J. P. Carvalho, O. Frazão, R. Romero, M. B. Marques, “All-optical switching in a Bragg grating structure using a high power laser
diode”, SEON 2005 - III Symposium on Enabling Optical Networks, Aveiro, 27 June 2005.
53. S. F. O. Silva, O. Frazão, L. A. Ferreira, F. M. Araújo, J. L. Santos, “Bragg Grating in Twisted Configuration for Multi-Parameters
Measurement”, SEON 2005 - III Symposium on Enabling Optical Networks, Aveiro, 27 June 2005.
52. A. Vieira, O. Frazão, F. M. Araújo, J. A. Simões, Monitorização de integridade mecânica e funcional in vivo de implantes
ortopédicos, 1º encontro Biomecânica, Abrantes, 3-4 Fevereiro 2005.
51. D. A. Pereira, O Frazão, J. L. Santos, “Sensores de Bragg em Fibra Óptica para monitorização e controlo de trafego em
estruturas civis”, 5º Encontro Nacional de Análise Experimental de Tensões e Mecânica Experimental, 21 - 23 Janeiro 2004,
Coimbra.
50. A. Vieira, O. Frazão, C. Novo, J. A. Simões, “Sensores Bragg em Fibra óptica para Substituir Extensómetros na Determinação de
Extensões em Problemas Biomecânicos”, 5º Encontro Nacional de Análise Experimental de Tensões e Mecânica Experimental, 21 23 Janeiro 2004, Coimbra.
49. R. Romero, O. Frazão, P. V. S. Marques, H. M. Salgado, “Tunable Linear Dispersion Compensation Using Selective Stretching in
Chirped Fibre Bragg Gratings”, SEON 2004, II Symposium on Enabling Optical Networks, Porto 14 June 2004.
48. A. Miranda, N. A. Silva, O. Frazão, A. J. Costa, “Evaluation of Polarization Dependent Loss in WDM Fused Couplers” SEON 2004,
II Symposium on Enabling Optical Networks, Porto 14 June 2004.
47. P. Almeida, F. S. Pinto, D. J. Barros, J. P. Carvalho, O. Frazão, P. S. André, H. M. Salgado, “Non-linear Effects in Photonic Crystal
Fibres” SEON 2004, II Symposium on Enabling Optical Networks, Porto 14 June 2004.
46. D. A. Pereira, O.Frazão, J. L. Santos, “Optical fiber sensing network for temperature and salinity measurement”, SEON 2004, II
Symposium on Enabling Optical Networks, Porto 14 June 2004.
45. D. Viegas, C. C. Rosa, O. Frazão, J. L. Santos, “Bragg Wavelength Interrogation Using Hilbert Transform Processing”. SEON 2004,
II Symposium on Enabling Optical Networks, Porto 14 June 2004.
44. S. Pinto, D. J. Barros, A. P. Almeida, J. P. Carvalho, O. Frazão, H. M. Salgado "Wavelength Conversion Efficiency in a Dispersion
Shifted Fibre”, SEON 2004, II Symposium on Enabling Optical Networks, Porto 14 June 2004.
43. S. F. O. Silva, O. Frazão, L. A. Ferreira, F. M. Araújo, J. L. Santos, “Simultaneous Measurement of Transverse Load and
Temperature using Bragg Gratings in Twisted Configuration”, SEON 2004, II Symposium on Enabling Optical Networks, Porto 14
June 2004.
42. R. de Oliveira , O. Frazão, J. L. Santos , A.T. Marques, "Sensores em Fibra Óptica para Detecção em Tempo Real de Danos em
Materiais Compósitos Inteligentes”, VII Congresso de Mecânica Aplicada e Computacional, 14 - 16 de Abril de 2003, Évora,
Portugal.
41. J. M. Dias, N. Vaz, R. Nolasco, J. L. Santos, M. Teixeira, O. Frazão, A. Soares, F. A. Monteiro Santos, J. F. Lopes, “Tecnologias de
Monitorização de Sistemas Marinhos: Aplicação à Ria de Aveiro (Portugal)”, II Congresso Sobre Planeamento e Gestão da Zona
Costeira dos Países de Expressão Portuguesa, 12 a 19 de Outubro de 2003. Recife, Brasil.
40. R. Romero, O. Frazão, R. A. Ibbotson, A. Gray, F. Floreani, L. Zhang, P. V. S. Marques, H. M. Salgado “Chirped Fibre Bragg
Grating for Optical Dispersion Compensation at 10 Gbit/s”, I Symposium on Enabling Optical Networks, Aveiro, Portugal, 17 June
2003.
39. J. P. Carvalho, I. Terroso, R. Romero, O. Frazão, P. S. André, H. M. Salgado “Performance Evaluation of an Optical Add Drop
Multiplexer using an apodized Bragg Grating”, I Symposium on Enabling Optical Networks, Aveiro, Portugal, 17 June 2003.
38. I. Terroso, C. C. Mardare, A. I. Mardare, J. P. Carvalho, O. Frazão, E. Joanni, “Tunable Thin-film-heated Fiber Bragg grating”, I
Symposium on Enabling Optical Networks, Aveiro, Portugal, 17 June 2003.
37. I. Terroso, J. P. Carvalho, O. Frazão, H. M. Salgado, “Interference Evaluation in an Optical FFH-CDMA System”, Conftele 2003,
Aveiro , Portugal, 18-20 June 2003.
36. J. P. Carvalho, I. Terroso, O. Frazão, H. M. Salgado, “Optical Cross-Connect Architectures based on Fibre Bragg Gratings and
Optical Circulators”, Conftele 2003, Aveiro , Portugal, 18-20 June 2003.
35. R. Romero, O. Frazão, F. Floreani, L. Zhang, P. S. B. André, P. V. S. Marques, H. M. Salgado, J. L. Santos, “Chirped Fibre Bragg
Grating for Optical Communications and Sensors Applications”, Conftele 2003, Aveiro, Portugal, 18-20 June 2003.
34. O. Frazão, R. Romero, G. Rego, P. V. Marques, H. M. Salgado, J. L. Santos, “Aplicações das Redes de Período Longo como
Elemento Sensor”, Física 2002, 6 a 10 de Setembro, Évora, Portugal.
33. O. Frazão, M. Lima, A. Teixeira, P. André, J. R. F. da Rocha, “Estabilidade Térmica de Redes de Bragg em Fibra Óptica do Tipo I e
do Tipo IIA”, Física 2002, 6 a 10 de Setembro, Évora, Portugal.
32. O. Frazão, R. Romero, G. Rego, P. V. Marques, H. Salgado, J. L. Santos, “Sensor Óptico para Medição Simultânea de
Temperatura e Deformação usando uma Superestrutura”, Física 2002, 6 a 10 de Setembro, Évora, Portugal.
31. D. A. Pereira, O. Frazão, J. L. Santos, “Estudo do Efeito da Hidrogenização em Fibras Ópticas”, Física 2002, 6 a 10 de Setembro,
Évora, Portugal.
30. D. Pereira, J. Ferreira , O. Frazão, I. Dias, J. L. Santos, “Controlo de Tráfego em Estruturas Cívis com Recurso a Sensores de
Bragg em Fibra Óptica”, Física 2002, 6 a 10 de Setembro, Évora, Portugal.
29. P. Fernandes, C. F. Freitas, V. Barbosa, O. Frazão, H. M. Salgado, “Demonstração Experimental OCDMA – Acesso Múltiplo por
Divisão de Código no Domínio Óptico”, Física 2002, 6 a 10 de Setembro, Évora, Portugal.
28. M. Melo, A. Teixeira, L. Gomes, C. Santos, D. Pereira, O. Frazão, M. Lima, P. André, F. Rocha, H. M. Salgado, “L-Band erbium
doped fiber amplifier design Limitations due to C-Band Signal Power Injection”, Física 2002, 6 a 10 de Setembro, Évora, Portugal.
27. G. Rego, R. Romero, O. Frazão, M. Lima, J. L. Santos, H. M. Salgado, P. V. Marques, “Apodisation of Fiber Bragg Gratings
through Electric Arc Discharges”, Física 2002, 6 a 10 de Setembro, Évora, Portugal.
26. R. Romero, G. Rego, O. Frazão, P.V. S. Marques, H.M. Salgado, “New Technique for Sampled Fibre Bragg Gratings Fabrication”,
Física 2002, 6 a 10 de Setembro, Évora, Portugal.
25. I. Terroso, J. Carvalho, O. Frazão, M. Ricardo, H. M. Salgado, ”Avaliação de duas Arquitecturas de OADM Baseadas em
Circuladores Ópticos e Redes de Bragg em Fibra Óptica”, Física 2002, 6 a 10 de Setembro, Évora, Portugal.
24. J. Carvalho, I. Terroso, O. Frazão, M. Ricardo, H. M. Salgado, “Comutador Óptico Baseado em Circuladores Ópticos e numa
Redes de Bragg em Fibra Óptica”, Física 2002, 6 a 10 de Setembro, Évora, Portugal.
23. O. Frazão, J. Ferreira, I. Dias, J. M. Dias, N. Vaz, M. Teixeira, J. F. Lopes, J. L. Santos, “Monitorização da ria de Aveiro usando
Cablagens Ópticas Avançadas”, Física 2002, 6 a 10 de Setembro, Évora, Portugal.
22. M. Melo, O. Frazão, L. Gomes, A. Teixeira, C. Santos, D. Pereira, M. Lima, F. Rocha, H. M. Salgado, “Tunable L-Band Erbium
Doped Fiber Ring Laser”, Física 2002, 6 a 10 de Setembro, Évora, Portugal.
21. R. Romero, O. Frazão, G. Rego, P. V. S. Marques, H. M. Salgado, “Multiwavelength Fibre Ring Laser Source using a Sampled
Fibre Bragg Grating”, Física 2002, 6 a 10 de Setembro, Évora, Portugal.
20. I. Abe, R. Nogueira, M. W. Schiller, A. J. Fernandes, P. Lopes, O. Frazão, J. L. Santos, J. L. Pinto e H. J. Kalinowski, “Analises de
Deformação Transversal e Temperatura com Redes de Bragg em Fibra Óptica de Alta Birrefringência”, Física 2002, 6 a 10 de
Setembro, Évora, Portugal.
19. D. A. Pereira, O. Frazão, J. M. Ferreira, J. L. Santos, “Tecnologia Óptica para Monitorização de Sistemas estuarinos e Costeiros”,
XI Seminário Ibérico de Química Marítima, 2-4 Abril 2002, Faro, Portugal.
18. O. Frazão, F. M. Araújo, C. Novo, “Roseta Extensómétrica Óptica Rectangular”, 4º Encontro Nacional de Análise Experimental
de Tensões e Mecânica Experimental, pg. 93-94, 17-19 de Outubro de 2001, Bragança, Portugal.
17. M. J. N. Lima, A. L. J. Teixeira, O. Frazão, Paulo S. André, J. R. Ferreira da Rocha, “Redes de Bragg para Telecomunicações”,
Actas de Engenharia 2001 – Inovação e Desenvolvimento, Covilhã, Portugal, pp. 21-26, Novembro 2001.
16. O. Frazão, M. Madureira, H. M. Salgado, “Two-Section MQW Semiconductor Laser Modelling”, 3rd Conference on
Telecommunications, ConfTele 2001, pp. 403-406, 23-24 April, 2001, Figueira da Foz, Portugal.
15. I. Abe, O. Frazão, P. S. André, J. C. Cardozo da Silva, H. J. Kalinowski, J. L. Fabris, J. L. Pinto, F. M. Araújo, “Fibre Bragg Grating
Filters in Optical Communications”, 3rd Conference on Telecommunications, ConfTele 2001, pp. 276-278, 23-24 April, 2001, Figueira
da Foz, Portugal.
14. O. Frazão, F. M. Araújo, L. A. Ferreira, J. L. Santos, “Sensores de Bragg em Fibra Óptica: Aplicações em Engenharia”, V Encontro
Nacional do Colégio de Engenharia Electrotécnica, pg. 185-190, 4-5 de Abril, 2001, Matosinhos, Portugal.
13. C. Félix, O. Frazão, L. A. Ferreira, F. M. Araújo, R. Faria, J. L. Santos, J. A. Figueiras, “Aplicações de Sensores de Bragg em Fibra
Óptica na Área das Estruturas de Engenharia Civil”, Encontro Nacional de Betão Estrutural, pg. 515-525, 22-24 Novembro 2000,
Porto, Portugal.
12. O. Frazão, F. M. Araújo, N. Correia, C. Novo, A. Vieira, A. N. Costa, A. T. Marques, "Redes de Bragg em Fibra Óptica Embebidas
em Materiais Compósitos para Aplicações Sensoriais", FISICA 2000, pg. 316-317, 27-30 Setembro 2000, Figueira da Foz, Portugal.
11. O. Frazão, C. Novo, N. Correia, A. N. Costa, I. Dias, F. M. Araújo, A. T. Marques, "Monitorização do Processo RTM Através de
Sensores de Bragg em Fibra Óptica", FISICA 2000, pg. 318-319, 27-30 Setembro 2000, Figueira da Foz, Portugal.
10. P. S. André, O. Frazão, Teresa Almeida, F. M. Araújo, J. L. Pinto, "Nó Óptico de Remoção e Adição de Canais Sintonizável
Baseado em Redes de Bragg em Fibra Óptica", FISICA 2000, pg. 427-428, 27-30 Setembro 2000, Figueira da Foz, Portugal.
9. O. Frazão, F. M. Araújo, L. A. Ferreira, J. Ferreira da Rocha, A. Teixeira, M. Lima, "Redes de Bragg em Fibra Óptica para
Aplicações em Engenharia", XIII Congresso da Ordem dos Engenheiros 2000, 21-23 Setembro 2000, Porto, Portugal.
8. O. Frazão, F. M. Araújo, L.A. Ferreira, I. Dias, A. T. Marques, A. N. Costa, C. Novo, "Placa de Compósito Incorporando Sensores de
Bragg em Fibra Óptica", VI Congresso Nacional de Mecânica Aplicada e Computacional, Vol. 2, pg. 1057-1061, 17-19 Abril, 2000,
Aveiro, Portugal.
7. O. Frazão, F. M. Araújo, I. Dias, L. A. Ferreira, J. L. Santos, "Sensores de Bragg em Fibra Óptica", Jornadas de Engenharia de
Telecomunicações e Computadores - JETC99, pg. XI–23-26, 27-29 de Outubro 1999, Lisboa, Portugal.
6. P. Tavares, O. Frazão, A. F. Cunha, L. Ribeiro, J. R. Ferreira da Rocha, "5 to 10 GHz Tunable Self-Pulsation in a DFB-MQW Laser",
CONFTELE’99, pp. 274-275, 15-16 Abril 1999, Sesimbra, Portugal.
5. P. Tavares, O. Frazão, A. F. Cunha, L. Ribeiro, J. R. Ferreira da Rocha, "Practical Synchronisation of Optical 10Gbps Soliton
Streams", CONFTELE’99, pp. 554-555, 15-16 Abril 1999, Sesimbra, Portugal.
4. O. Frazão, P. Tavares, A. F. Cunha, L. Ribeiro, J. R. Ferreira da Rocha, "Extractor Óptico de Relógio para Redes de Alto Débito",
FISICA’98, pg. 607-608, 7-10 Setembro 1998, Maia, Portugal.
3. O. Frazão, P. Tavares, A. F. Cunha, L. Ribeiro, J. R. Ferreira da Rocha, "Oscilador Óptico de Alta Frequência para Extracção de
Relógio", ProtoFísica’98, pg. 23, 20-24 Julho 1998, Aveiro, Portugal.
2. P. Tavares, O. Frazão, P. Monteiro, L. Ribeiro, A. F. Cunha, P. Antunes, M. Lima, J. R. Ferreira da Rocha, "Tecnologia
Optoelectrónica para Redes de Elevado Débito", XII Congresso da Ordem dos Engenheiros’98, pg. 485, 18-21 Junho 1998, Lisboa,
Portugal.
1. P. Tavares, O. Frazão, L. Ribeiro, J. R. Ferreira da Rocha, "Extracção Óptica de Relógio de uma Linha de 10Gbps", I Conferência
Nacional de Telecomunicações, pg. 301-303, 10-11 de Abril, 1997, Aveiro, Portugal.
SCIENTIFIC MAGAZINE
Birefringent Fiber Improve Fiberoptic Strain Sensor, Photonics Spectra Magazine, in the section Photonics Technology News, com
o Nº 41 (1), 31-33, January 2007.
Inclinometer Demonstrates Versatility of Fiberoptic Sensors, Photonics Spectra Magazine, in the section Photonics Research,
com o Nº 40 (12), 108-110, December 2006.
COST MEETINGS
O. Frazão, Recent advances of polymer fibers for sensing applications, COST TD1001 Meeting, Jena, Germany, 10-11 November
2011. (ORAL presentation).
O. Frazão, Interferometers Based on New Microstructured Optical Fibers for Physical Parameters Discrimination, COST 299
Meeting, Wroclaw, Poland, 9-11 September 2009. (ORAL presentation).
O. Frazão, Interferometric Sensing Configurations based on Microstructured Optical Fibres, COST 299 Meeting, Larnaca, Cyprus, 13 April 2009. (ORAL presentation).
O. Frazão, “Interferometric Sensing Configurations Using Microstructured Optical Fibres”, COST 299 Meeting, Madeira Island,
Portugal, 1– 5 September 2008. (ORAL presentation).
O. Frazão, “Novel Hi-Bi microstructured fibres for optical sensing (STSM16)” COST 299 Meeting, Berlin, Germany, 5-7 February
2008. (ORAL presentation).